velleman CSR1 Professional Metal Detector User Manual

CSR1 – PROFESSIONAL METAL DETECTOR
User Manual

Introduction

Thank you for buying the CSR1! Please read the manual thoroughly before bringing this device into service.
If the device was damaged in transit, don’t use it and contact your dealer.

Assembly

Open the carton and remove the main housing assembly. Twist the plastic stem lock at the end of the upper stem to allow the lower stem to be inserted. Adjust the length and rotate the lower stem to wrap the cable around the stems and take up any slack. Push the cable into the cable slots to hold it firm while allowing enough cable for free movement of the search head. Turn the stem lock to fix it at the desired position.

| 1. Battery compartment
13. Headphone socket
14. Battery compartment|
---|---|---
2. Upper shank & handle grip
3. Control box + socket
8. LCD display
9. Menu / Scroll button
10. Pinpoint push button
11. Enter the button
12. Power on / off & volume control
4. Stem connecting nut
5. Cable
6. Lower stem
7. Search head fastener

Batteries & Battery Check

The CSR1 is powered by eight AA batteries (not supplied). It is advisable to use standard alkaline batteries to start with. You can then evaluate the sort of use you give the detector and decide whether the investment in rechargeables is justified.

The batteries should be fitted in the holder which is located in the battery compartment. To fit new batteries first check the power switch on the unit is switched to OFF. Then loosen the two captive screws located in the battery cover (do not fully remove these from the cover) and remove the cover. Inside is the battery holder. Lift out the holder and detach the connector if it is already fitted. Load it with the eight batteries ensuring that each battery is inserted the correct way round, (direction of batteries alternating). Roll each individual battery to ensure it is located correctly and make proper contact. Replace the connector making sure that it is firm and well seated, and put the loaded
holder into the housing. Fit the cover and tighten the two captive screws finger tight.

The condition of the batteries is continuously monitored and shown on the unit display. Make sure to select the installed batteries under the Battery section of the Setup menu to obtain a correct readout. New or fully charged batteries should cause the entire battery display to be filled. As the batteries drain, the symbol will gradually empty. If the battery symbol is empty, the batteries should be replaced or recharged (if rechargeables are fitted). The battery life depends on a number of factors including battery type and makes outside temperature and detector settings.
TIP: to maximize battery life:

1. Ensure that the backlight symbol ( **** ) is not showing on the display.
2. Keep volume control set as low as possible.
3. Use Headphones.

Note: Batteries should not be left in the detector for long periods where they could leak, so remember to remove them at the end of a day’s searching.

Display Layout

1. ID block
2. ID scale
3. Rejected ID targets
4. ID number
5. Backlight On indicator
6. Search head size
7. Battery monitor
8. Ground radar simulator

Ground radar simulator: this continuously scrolling radar is a view of the signal received by the CSR1. It can be used as an additional tool to analyze signals and it is also a useful pinpointing aid. It is visible in both full-screen search mode and when the first level menus are displayed. The sensitivity of the radar display is controlled by the Pin Point Gain setting.
Search head size: here the size of the currently fitted head is shown. If no head is fitted or under certain fault conditions the display shows “???”.
Battery: this symbol indicates the batteries’ condition depending on the type set by the user.
I value: the ID number (#4) corresponds to the position of the ID block (#1) on the ID scale. When there is no signal or the signal is weak or confusing, the ID number spot will read “??”. A value appears (and an ID block at the top of the display) when the CSR1 successfully analyses a signal. The solid block below the ID scale indicates the range that will not be detected. The sensitivity of the ID display is controlled by the Motion Gain setting.
Typical responses to common targets are (this may vary slightly from the detector to detector):

Object

|

ID value

---|---
ground| 0
iron| 1, 2, 3
foil| 8
smaller coins| 9-15
ring pull| 11
bottle cap| 13
silver dollar coin| 19

Controls & What They Do

a. On/Off + Volume (p.1 #12)
Switches the CSR1 on and off by rotating clockwise or counterclockwise and adjusts the audio volume level.
b. Menu / Scroll Button (p.1 #9)
This rotary control is used to select the desired menu option in the menu system or to adjust the value of a setting.
c. ENTER (p.1 #11)
When no menus are displayed, pushing the ENTER key will display the menus.
Once a menu option has been highlighted, pressing the ENTER button will select that option.
If a value is being set, pushing the ENTER button will store that value.
d. Pinpoint Push Button (p. 1 #10)
Whilst this button is pressed, the detector will switch to Pinpoint (=non- motion) mode. It will return to normal (motion) mode as soon as the button is released. The radar display is reset every time this button is released.

Menu System

a. Menu Structure

DISCRIMination| SET
LEARN REJect
LEARN ACCept
EDIT
---|---
SENSITIVITY| MOTION GAIN
IN PoinT GAIN
TUNE
AUDIO| DISCRIMination:
PIN PoinT OFF
PIN Point ON
MOTION OFF
MOTION ON
SILent SEARCH:
OFF
ON
MODE:
ANALOG
DIGITAL
PROGRAMS| GRouND TYPE:
INLAND
BEACH
OPTIONS:
DEFAULT
LAST
RECALL
COIN INLAND PROGRAM
ALL METAL PROGRAM
COIN BEACH PROGRAM
USER PROGRAM 1
USER PROGRAM 2
STORE
USER PROGRAM 1
USER PROGRAM 2
SETUP| DISPLAY
CONTRAST
BRIGHTNESS
GROUND ADJust
FREQUENCY
LOW
MIDDLE
HIGH
BATTERY
RECHARGEABLE
ALKALINE

b. Discrimination
This range of functions allows you to reject or ignore unwanted signals generated by items such as pull tabs. It can also act as “Notch Accept” or “Notch Reject”. There are four options to set the discrimination level to give maximum flexibility and ease of setting. A black block under the line of ID numbers indicates that a signal with that number will
give no audio sound but the ID display will still show the signal.

NOTE: Ensure that there is no other metal near the search head when setting the Discrimination by sweeping objects over the head. It is also advisable to reduce the sensitivity slightly when setting the Discrimination using Learn Reject or Accept to reduce the chance of any unwanted signals. Once set the sensitivity may be increased again.

SET

DISCRIM| SET|
---|---|---
SENSITIVITY| LEARN REJ|
AUDIO| LEARN ACC|
PROGRAMS| EDIT|
SET UP| BACK| DONE

In this mode, the MENU/SCROLL control acts as a conventional Discrimination control. Turning the control clockwise increases the discrimination level, as indicated by the black squares under the I.D. numbers on the display. Iron is to the left (5 and below) and copper is to the right (15 and above). Sweep a sample of the item you want to ignore over the search head while adjusting the control until it is rejected and press ENTER to store the setting.
NOTE: ID 0 (ground) cannot be cleared with this control. To alter ID 0 use DISCRIM EDIT (see below).

LEARN REJECT

DISCRIM| SET|
---|---|---
SENSITIVITY| LEARN REJ|
AUDIO| LEARN ACC|
PROGRAMS| EDIT|
SET UP| BACK| DONE

Learn Reject allows you to ‘teach’ the CSR1 to reject one or more targets that are swept over the search head. Once Learn Reject has been selected the sample or samples are swept several times over the head. The CSR1 will then set the disc block at the sample ID point so that any objects with the same ID as the sample will be rejected.
TIP! This can be used as a Notch Reject facility. First use Discrim Set to accept all signals, and then use Learn  Reject to set the specific ID points of objects to be ignored.

LEARN ACCEPT

DISCRIM| SET|
---|---|---
SENSITIVITY| LEARN REJ|
AUDIO| LEARN ACC|
PROGRAMS| EDIT|
SET UP| BACK| DONE

Learn Accept allows you to ‘teach’ the CSR1 to accept one or more targets that are swept over the search head.
Once Learn Accept has selected the sample or samples are swept several times over the head. The CSR1 will then clear the disc set at the sample ID point so that any objects with the same ID as the sample will be accepted.
Care should be taken to ensure that you do not ‘Learn Accept’ ground, ID 0.
TIP! This can be used as a Notch Accept or Token hunting facility. First, use Discrim Set to ignore all signals. Then use Learn Accept to clear the specific ID points of the objects to be found.

EDIT

DISCRIM| SET|
---|---|---
SENSITIVITY| LEARN REJ|
AUDIO| LEARN ACC|
PROGRAMS| EDIT|
SET UP| BACK| DONE

This function enables you to set or reset the Discrimination at any desired point within the entire range. When this function is selected, a flashing block (cursor) will appear under the 0 on the left-hand side of the display. Pressing the
ENTER button will toggle the block at the current cursor position between ACCEPT and REJECT. Rotating the MENU/SCROLL control will move the cursor. Rotate the control to the desired ID position and press the ENTER key to either set (REJECT) or clear (ACCEPT) the block. When you have finished rotate the MENU/SCROLL control clockwise until DONE is highlighted in the lower right-hand corner of the display, then press ENTER.

c. Sensitivity
MOTION GAIN

DISCRIM| MOTION GAIN|
---|---|---
SENSITIVITY| PIN -PT GAIN|
AUDIO| TUNE|
PROGRAMS| |
SET UP| BACK|

This sets the sensitivity of the audio signal and the ID display in normal search or motion mode. The level is set by rotating the MENU/SCROLL control, the current level is indicated on the display. Once the desired level has been set by rotating the MENU/SCROLL control, press ENTER to store the setting.
NOTE : This setting has no effect on the RADAR display or audio level in Pin Point mode
TIP! This level should be set as high as possible without the CSR1 spuriously sounding off.

PIN – PT GAIN

DISCRIM| MOTION GAIN|
---|---|---
SENSITIVITY| PIN -PT GAIN|
AUDIO| TUNE|
PROGRAMS| |
SET UP| BACK|

This sets the sensitivity of the Pin Point, or non-motion, mode. When Pin-Pt Gain is selected the CSR1 automatically selects Pin Point mode. Once the desired level has been set by rotating the MENU/SCROLL control press the ENTER button to store the setting. This setting also alters the sensitivity of the RADAR display.
NOTE : This setting has no effect on the normal or motion search mode.

TUNE

DISCRIM| MOTION GAIN|
---|---|---
SENSITIVITY| PIN -PT GAIN|
AUDIO| TUNE|
PROGRAMS| |
SET UP| BACK|

This sets the threshold or background tone. This is only audible with Silent Search turned off. As soon as Tune is selected then Silent Search will be turned OFF so that the background tone will be heard. Once the desired level has been set by rotating the MENU/SCROLL control press the ENTER button to store the setting.

d. Audio
DISCRIMINATION

This enables or disables Audio Discrimination for both motion and Pin Point modes. Audio Discrimination gives the operator an indication of the composition of the target by varying the pitch/tone of the audio signal. The higher the pitch the further up the ID scale the target will be. For all modes, highlight the desired option by rotating the MENU/ SCROLL control and then press the ENTER button.
NOTE : Pin Point and motion Audio Discrimination can be set independently.
PIN – PT OFF : turns Audio Discrimination OFF for Pin Point Mode.
PIN – PT ON : turns Audio Discrim ON for Pin Point Mode: it gives a continuous pitch change for the entire ID range.
MOTION OFF : This turns Audio Discrimination OFF for motion Mode.
MOTION ON : This turns Audio Discrimination ON for motion Mode. In this mode, bad signals such as Iron will give a low tone. Good signals will give a high tone.
NOTE : No tone will be heard if the object has been rejected by the ID.
TIP! Best results will be obtained in this mode if Silent Search is on.

SILENT SEARCH

A silent search will suppress the background tone set by the TUNE setting. In this mode, audio will only be heard if there is a buried object. The rest of the time the audio will be silent. Use the MENU/SCROLL control to highlight the desired option, ON or OFF, and then press the ENTER button.
NOTE: Adjusting the TUNE level will automatically turn Silent Search off.
OFF: turns Silent Search OFF. In this mode, a constant background tone will be heard. The level of this tone is set by the SENSITIVITY – TUNE option.
ON: Turns Silent Search ON. In this mode, no background tone is heard.

MODE

This function alters the way in which the audio tone is generated. It only affects the normal motion search mode. Use the MENU/SCROLL control to highlight the desired option, then press the ENTER button.

ANALOG: The audio signal comes straight from the CSR1 receiver circuit. It allows the operator to listen to the true signal level and can allow the experienced user to ‘understand’ signals better. It does have the disadvantage that smaller, deeper objects give fainter signals.

DIGITAL: The audio signal is directly controlled by the CSR1 computer. In this mode, the audio signal is either on or off. This means that a deep object will give the same audio volume as a shallow object. This can make the initial location of an object easier and more positive but does not convey any other information.

e. Programs

These functions allow the operator to store and recall the setup of the CSR1. Up to two programs can be stored. A program will store all of the current settings including Discrimination, Sensitivity, Frequencies, etc. It will not store the Display Contrast and Brightness settings. These are stored separately and retrieved automatically at turn on. Once Store or Recall is selected rotate the MENU/SCROLL control to highlight the Program to be stored or recalled and then press the ENTER button. The CSR1 comes with the first three programs preset to commonly used settings. The COIN INLAND Program is set for high sensitivity to precious metals, the ALL METAL Program for deep seeking of all metals, and the COIN BEACH Program for Beach use.

GROUND-TYPE

This allows the operator to select between use on normal inland sites or wet sand sites such as the beach. Use the MENU/SCROLL control to highlight the desired option and then press the ENTER button.
INLAND: This will set the CSR1 ground to reject circuit to normal ground conditions.
BEACH: This will set the CSR1 ground to reject circuit to cope with the extreme conditions found on the wet sand.
NOTE: As beach conditions are so variable some adjustment of the GROUND ADJ setting may be required.

OPTIONS

This allows the operator to select which settings are restored when the CSR1 is switched on. Highlight the desired choice using the MENU/SCROLL control and then press the ENTER button.
DEFAULT (setting): this will tell the CSR1 to load the factory default settings every time it is switched on.
LAST (setting): if MANUAL mode is selected (see below) this will tell the CSR1 to switch on with exactly the same settings as when it was last used. This enables you to turn the CSR1 off when digging for deep targets and then switch it back on and resume your searching without having to readjust the detector.
MANUAL OFF: turns the manual mode off so when you turn on the CSR1 you are presented with a short -cut to the easy to use manufacturer defined programs of:
-COIN INLAND for general-purpose searching on most sites i.e. those not affected by very high mineralization or salt deposits.
-ALL METAL for very deep searching of all metals (no discrimination).
-COIN BEACH for general-purpose searching on the beach or highly mineralized sites.
MANUAL ON: turns the opening selection screen off so that when you turn on the CSR1 you are immediately in the searching mode. Experienced users may prefer this setting.

RECALL

Recalls all settings from the program selected from the list (see also MANUAL OFF above).

STORE

Stores all current settings into the program selected, either USER 1 or USER 2.

f. Setup
DISPLAY

These options allow the display settings to be adjusted. These settings are stored when the CSR1 is switched off and will be restored when it is turned back on. To select, highlight the desired option by rotating the MENU/SCROLL control and then press the ENTER button.

CONTRAST: sets the contrast level or viewing angle of the display. Once set it shouldn’t require adjustment.
However, if the CSR1 is used at dawn or dusk when the sun is low in the sky then some adjustment may be required to improve the visibility of the display. The desired level should be set by rotating the MENU/SCROLL control and then pressing the ENTER button when satisfied, this will store the setting.

BRIGHTNESS: This option sets the brightness level of the backlight. In normal daylight, the backlight is not required and it should be set to 0. At night or in conditions of poor light the backlight level should be adjusted by rotating the MENU/SCROLL control and then pressing the ENTER button when satisfied, this will store the setting.
IMPORTANT NOTE: The backlight consumes a lot of power compared with the low consumption circuitry of the rest of the CSR1. For this reason, to ensure long battery life the backlight should only be used where necessary and the brightness level kept to a minimum. When the backlight is on the **** symbol appears on the display to prevent
inadvertent use.

GROUND ADJUST

DISCRIM| DISPLAY|
---|---|---
SENSITIVITY| GROUND ADJ|
AUDIO| FREQUENCY|
PROGRAMS| BATTERY|
SET UP| BACK|

The default setting of 50 is a good general setting and should be adequate for most sites. However, a fine adjustment is provided to allow the operator to adjust the CSR1 to give optimum performance on a particular site. The level is adjusted by rotating the MENU/SCROLL control. An incorrect setting will result in a fluctuating signal on the RADAR display and frequent ‘0’ targets on the ID display. To find the optimum ground setting, raise and lower the head above an area of ground free from any targets then adjust the ground setting for minimum audio fluctuation and ID indications. An alternative method is to set the Pin Point gain to 8 and then lower the heat to an area of ground free from any targets. If the audio level increases then decrease the ground setting, if it decreases, (goes quiet), then increase the ground setting.
NOTE: If BEACH is selected then an incorrect ground setting will result in frequent ID targets in the range 3 to 6 depending on beach conditions. Adjust the ground setting as described above.

FREQUENCY

This can be used to change the operating frequency of CSR1. Three frequencies are provided. Generally, the middle frequency should be used but the others can be used if interference from other metal detectors is experienced. Use the MENU/SCROLL control to highlight the desired frequency and press the ENTER key to store the setting. NOTE: the frequency does not change until the ENTER key is pressed.

BATTERY

This option allows the selection of either rechargeable batteries or alkaline batteries. It is used to ensure that the battery monitor accurately shows the state of charge of the batteries. Use the MENU/SCROLL control to highlight the desired battery type and then press the ENTER key to store the setting.

General Hints

a. Pinpointing
Move the search head to one side of the target. Press and hold the Pin Point button. Sweep the search head over the target slowly whilst monitoring the RADAR display. The target is directly below the center of the search head when the signal is the largest. If the RADAR signal is too broad then either move the head closer to the target and release and press the Pin Point button or simply raise the search head slightly off of the ground whilst sweeping the head over the target. Make a mental note of the position of the maximum signal then turn through 90 degrees and repeat the above procedure. Again make a mental note of the position of the maximum signal. The point at which both signals peak, is the position of the target. Dig carefully to avoid damaging your find.

b. Detection Range
Your CSR1 is a top-performance deep seeker but adverse soil conditions can significantly reduce the depth of detection. Detection ranges will vary depending on the size of the object, the length of time an object has been buried, and the type of ground the object is buried in.
The best ground conditions are well-compacted soils and coins can be found at the greatest depths if the object has been buried for some time and the coin has interacted with the salts in the ground, thereby appearing larger to the detector. The worst conditions for detecting are on loosely compacted or freshly dug ground or when the object has
only recently been buried. In these conditions, the detection range will be reduced. 90% of all artifacts are found within 6″ (20 cm) of the surface.

c. Determining Target Size & Depth
An operator who is familiar with his instrument will be able to do an excellent job of determining object size, shape, and depth before he digs. This technique is learned from careful analysis of the radar and audio signals coming from the detector. Each time a signal is heard, listen for any peculiar characteristics it may have, determine over how large an area you get a detector signal, and try to “outline” the object before you dig.
After digging up the object, compare the object’s size, shape, depth, and position in the ground with the signal information you received before digging. After careful analysis of many digs, you will learn to “read” the hidden target before digging.

d. The Importance of the Right Approach
Treasure hunting can be a profitable and rewarding hobby if approached in a patient and diligent manner. Time spent researching to locate a worthwhile site for a search can be time wasted if your search is hasty and erratic. To achieve maximum results, it is important then to decide on your approach to any particular site in advance of the
actual search.
Tactics will be decided by the type of site – it is more profitable to scan a small area thoroughly than to conduct a haphazard search of the total site. However, when the site is too far away for you to make several return visits a plan should be adopted which gives maximum site coverage, at the same time as indicating the most likely area for a detailed search.

Your detector alone is not a guarantee of successful treasure hunting. Any detector needs an operator and for the best results, the operator needs the right approach, attitude, and technique. Too many beginners neglect the importance of pre-planning and research before using their detector in the field, and patience and technique during
the actual search.
A successful search should begin with research sometime before the day of the actual search. The extent and thoroughness of your research will be one of the major factors in the success of your detection. You should aim to get as complete an understanding as possible of the local history and geography.

The key to the choice of the site is to think of people, where they congregated over the past few hundred years. What were their customs and pursuits? Where did they spend money? Where did they carry money? The answers are not
Roman sites, nor are they associated with mystic treasure stories of crocks of gold. Rather, they are unassuming, nondramatic places, like public footpaths and ancient rights of way, old houses, and so on.
When you have chosen your site, allocate a whole day from early morning to early evening for the search. Make sure that you have all the equipment you are likely to need. Your detector should be checked before starting out, and you should always carry a spare set of batteries. You will also need a strong, sharp trowel. It is also a good idea to have
a set of lines and pins so that you can lay out your search area scientifically.

Most beginners make the mistake of rushing about hoping to chance upon a rare find. If for example there happened to be a valuable ring that was buried 41 deep on the site you were searching, it you rushed about haphazardly and quickly on the site, the odds would be very much against you finding it. On the other hand, it you pegged out the area
scientifically and searched slowly and thoroughly, the odds of finding the ring would be much more in your favor.

Remember, BE PATIENT and WORK SLOWLY. Do not try to cover too large an area. Restrict yourself to a small area and work through it thoroughly. Make a note of the position and extent of the area, and then when you return you can start again further on without missing any ground or covering the same area twice.
It is also important to keep the detector head as close to the ground as possible. Ideally, you should “iron” the ground with the search head of the detector, so that you do not lose any detection range. Similarly, if you work slowly and carefully you should be able to distinguish the faint signals as well as the clear-cut signals and increase your findings.
The technique of getting the best out of your detector is not learned overnight. You need to get as much experience as possible so that you can recognize every kind of signal. Indeed, a good detector operator can often tell you what is being detected before it is unearthed.

It is essential that the search head is kept close and parallel as in B. Do not hold the head too high above the ground, or at an odd angle as in A, C, and D as you will be apt to miss finds.

e. Sweeping Technique
For extremely small object searching, such as coins, rings, nuggets, etc. lower the search coil to within one inch of the ground. Sweep the coil from side to side in a straight line in front of you. Keep the coil at a constant height as you sweep from side to side. Move the coil at the rate of one foot per second.
The optimum sweep rate must be determined by each operator. The detector should be held comfortably in the hand, with the coil held as close to the ground as possible. As the detector is scanned from side to side in front of the operator, the search coil should be advanced to approximately two-thirds of the diameter of the coil. This keeps the
operator moving ahead, and it allows some overlapping of each sweep. This overlapping ensures that nothing will be missed. It is well to note here that the operator should not rush. This is one of the most common mistakes made by detector users. If you rush, you will not adequately cover the ground.

Maintenance (Storage)

When not in use your detector should be stored in a dry warm environment. If it is not to be used for a certain length of time it is advisable to remove the batteries to avoid leakage which could cause serious damage. The working life of your detector will be shortened by careless use or neglect of the unit. Think of your detector as a scientific instrument. Your detector is designed to withstand rugged handling on any terrain, but misuse or lack of due attention will tell in the end. After using your detector in a hostile environment (salt water, sand, etc.), the exterior parts should be flushed with clean fresh water, paying attention to the head and stems, then carefully wiped dry.

Troubleshooting

a. The detector does not operate
a) Check the condition of batteries under load. (See “3. Batteries & Battery Check”)
b) Check that the search head is properly attached to the control box via the search head cable connector.
c) Interchange batteries and ensures connections are correct and secure. Battery life can vary tremendously between makes, therefore your ‘new’ batteries may already be insufficiently powerful to run the detector.

b. Oscillating signal
a) This could be due to poor battery connections. Ensure that the batteries are securely clipped into place.
b) Loose search head cable connection – tighten.
c) Interference from a vehicle using a radio transmitter or possibility a stationary source of electromagnetic radiation
– if this occurs then reduce the sensitivity. If the problem persists then the best remedy is to wait until the transmission stops.

c. Intermittent sound from the speaker
a) This could be due to poor battery connections. Ensure that the batteries are securely clipped into place.
b) Loose search head cable connection – tighten.
c) Radio interference (see above).

d. Poor or No Contrast on Display
a) This could be due to poor battery condition. Ensure that batteries are in good condition.
b) The CSR1 internal storage could be corrupted. To reset the detector ensure it is turned OFF, press and hold ENTER, turn the CSR1 ON, and wait 5 seconds. You will be asked if you wish to reset the detector. Use the MENU/SCROLL control to highlight YES then press ENTER. The detector will then be reset to factory settings.

e. No Sound or Partial Sound from Headphones
a) On headphones fitted with stereo/mono switch, ensure stereo is selected.
b) Ensure the headphone connector is fully inserted into the socket.
c) Try another set of headphones or try headphones on another piece of equipment.

f. Further Information
Before returning a detector for repair, please ensure you have done the following:
a) Read the instructions thoroughly.
b) Tried new batteries and checked the procedure outlined above.
c) Return your detector with a letter giving full details of the fault.

This equipment conforms to the EMC Directive 89/336/EEC.
System performance may be impaired by unusually strong electromagnetic fields.
The information in this manual is subject to change without prior notice.

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