Wharfedale Pro SC-48 FIR Digital System Processor User Manual

June 4, 2024
Wharfedale Pro

SC-48 FIR Digital System Processor
User Manual
Wharfedale Pro SC 48 FIR Digital System Processor

FUNCTIONS

  • 32-bit DSP processor. 48 kHz sampling rate. 24-bit AD/DA converters.

  • Input processing includes 8PEQ, FIR phase EQ processing, Gain, Mute, Phase, Delay,and Linking.

  • Output processing includes IIR and FIR Crossover filter, 9PEQ, Gain, Mute, Peak limiter, Compressor, Phase, Delay, and Linking.

  • Digital input and output functions. AES/EBU input and output channels using XLR connectors.

  • Adjustable PEQ Gain, Bandwidth, and Frequency for all channels. Choose between Peak, L-shelf, H-shelf, Low-cut, High-cut, ALLPASS1, and ALLPASS2.

  • All input and output channels have independent phase curves and PEQ adjustment functions. Choose between ALLPASS1 / 180° curve adjust, and ALLPASS2 / 360° curve adjust.

  • IIR crossover filter types can be selected: Butterworth, Linkwitz- Riley, Bessel, Slope is -6 dB/oct ~-48 dB/oct.

  • All input channels have independent 512 Taps asymmetric FIR filters for system phase correction, equalization, and frequency division processing. Perfectly compatible with third-party application data import.

  • All output channels have adjustable 256-1024 Taps asymmetric FIR filters for system phase correction, equalization, and frequency division processing. Perfectly compatible with third-party application data import. As well as FIR divider mode selection, frequency, type, and optional TAPS.

  • Adjustable independent output compressor with threshold, soft knee, ratio, attack time, and release time parameters.
    Adjustable independent output Peak limiter functions and adjustable threshold, attack time, and release time parameters.

  • The maximal delay time is 680 ms for all input/output channels.

  • Parameter settings can be copied for every single channel and the channels can be linked.

  • Internal signal generator (pink, white noise, and 20Hz-20KHz sine wave with adjustable amplitude).

  • The front panel features high-precision level indicators, channel editing keys, mute keys, menu keys, a parameter encoding wheel, and a USB control port.

  • Rear panel includes 1 x AES input connector and 1 x AES output connector plus RS232 & 485 control port.

  • 20 user presets. Each preset can be saved and recalled. Device parameters can be uploaded and downloaded.

  • 255 units can be linked together via ID settings.

  • Password protection function for high-security applications.

FRONT PANEL

Wharfedale Pro SC 48 FIR Digital System Processor - FRONT
PANEL

  1. LCD
    Shows the related operation parameters and the status of the current operation.

  2. PARAMETER EDIT KEYS
    Choose all the system menus/input parameters and output parameters. Exit by pressing the ”Exit” key.

  3. PARAMETER EDIT KNOB
    Edit the parameters. Confirm the data input by pressing the knob.

  4. INPUT LEVEL INDICATORS
    5-segment high precision LEDs show the status of the input channel’s level.

  5. INPUT EDIT KEYS
    Press to enter into the relevant channel. Parameters will show on the LCD.

  6. INPUT MUTE KEYS
    Mute any channel by pressing and unmute by pressing again.

  7. OUTPUT EDIT KEYS
    Press to enter the relevant channel. The edit status parameter will show on the LCD.

  8. OUTPUT MUTE KEYS
    Mute the channel by pressing and unmute by pressing again.

  9. OUTPUT LEVEL INDICATORS
    4-segment high precision LEDs and 1 compressor signal LED to show the status of the output level and the compressor on the current channel.

  10. USB
    Used to connect to the PC and center-control equipment.

REAR PANEL

Wharfedale Pro SC 48 FIR Digital System Processor - REAR
PANEL

  1. POWER SOCKET

  2. POWER ON/OFF SWITCH

  3. RS232/485 INTERFACE
    Center control by rs232, cascade control by rs485.

  4. ETHERNET CONNECT CONTROL PORT
    For network control.

  5. SIGNAL OUTPUT PORT 1-8.

  6. SIGNAL INPUT PORT A-D.

OPERATION GUIDE

Below status after power on:


__ SC-48 FIR
Processor V1.0| Power on. Displays the model and firmware version.
__ SC-48 FIR
F00 Default  Preset| After self-checking, displays the model and the current user preset.

UTIL menu

ID Number Select
ID: 1| Press the UTIL key to enter the ID status. When using cascade connection, the setting is 1-254. (If the cascade connection has more than 16 units or covers a long distance, a loaded 120-ohm resistance should be connected in parallel by the RS485 network end-point.)
Manual IP Set
192. 168. 1. 101| Press UTIL a second time to enter the Manual IP Set mode. The factory default address is 192.168.1.101. The IP of each machine can be set to different addresses according to the different network environment.
**
Input Select
ANALOG| Press down a third time to enter input channel digital and analog signal select, ANALOG is an analog input. AES/EBU is digital input.
---|---
Output  Select
ANALOG| Press down a fourth time to enter output channel digital and analog signal selection. ANALOG is analog output, and AES/EBU is a digital output.
Unit  Lock
Password [1234]| Press down a fifth time to enter the password setting. You can choose all the words or numbers to set the password you want. The initial password is “1234”.
In Source Select
ANALOG INPUT| Press down a sixth time to enter signal source selection: pink noise, white noise, and sine wave 20 Hz-20 kHz.
Copy CH Select
InA -> InB| Press down a seventh time to enter the channel copy interface: Parameter settings can be copied for every input and output channel.
__** LCD   DISPLAY TIME
10 Second| Press down an eighth time to enter the LCD backlight time setting: maximum 200 ms.

Preset menu interface

__ Load    Preset
F00 Default Preset| Press the “PRESET” key to enter the preset select setting. You can recall any user preset U01-U20 and factory settings F00 using the rotary encoder.
__ Store  Preset
U01  Default1   Preset| Press the “PRESET” key again to enter the save preset interface.
You can save the adjusted parameters in any U01-U20 user location.

Input channel EDIT menu interface

GAININA
+0.0 dB
| Press the input channel “EDIT” key to enter the input channel function setting interface. The default option is “GAIN”, the scale is -60 dB -+12 dB.
__ PHASE INA
Normal 0| Press the “GAIN” key again to enter the PHASE and adjust the setting. The phase scale is (0°/180°).
__ FIORINA
TAPS:512 BYPASS: ON| Press down “X-over” to enter the FIR BYPASS settings.  If FIR is not required, select ON.
__ DELAY INA
0.000ms 0.000m 0.000ft| Press the “DELAY” key to enter the delay settings. The maximum delay is 680 ms. Can be displayed as “ms”, “m” or “ft”
__ IN-LINK INA
A: B:  C: D:| Press down the “DELAY” key again to enter linking adjustment selection: If the current channel is INA, you can choose INB, INC, or IND channel to adjust parameters simultaneously and together.
__ FEQ:1INA
G: 0.0 FREQ: 25.3 BY
Q:3.00 TYPE: PEAK| Press down the “PEQ” key to enter the parameter settings. PEQ’s current filter number is 8, “G” is -12 dB – +12 dB and the scale of “FREQ” is 20 Hz-20 kHz. “Q” is 0.4-128. The filter types are Peak, Low-shelf, High-shelf, Low-cut, High-cut, Allpass1, Allpass2, and Bypass (which is √).

Output channel EDIT menu interface


__ GAIN OUT1
+0.0 dB
| Press the output channel “EDIT” key to enter output channel settings. The default is “GAIN”. The scale is -60 dB – +12 dB.
__ PHASE OUT1
Normal 0| Press down “GAIN” again to enter the phase parameter set. The scale is 0°/180°.
__ XOVER OUT1
MODE HP:    19.6 BYPASS
IIR  LP:20K15 BYPASS| Press down the “X-OVER” key to enter IIR crossover settings. “HP” frequency adjust range is 20 Hz-20 kHz. “LP” frequency adjust range is 20 Hz- 20 kHz. The HP/LP filter has three types and different slopes can be selected: Butterworth, Linkwitz- Riley, and Bessel. The slope is -6 dB/oct ~-48 dB/oct.
__ FIR OUT1
MODE  T:512  W: SINCBY
FIR H:250.0   L: 20K15| Select FIR mode from “X-OVER” to enter FIR settings: “T” is FIR TAPS. The range is 256-1024. “W” is the FIR curve type. “BY” is a crossover type selection. HP, LP, and band-pass can be selected. “H” is HP frequency. 150 Hz-20 kHz can be selected. “L” is LP frequency 150 Hz-20 kHz can be selected.
__ DELAY OUT1
0.000ms 0.000m 0.000ft| Press the “DELAY” key to enter the delay function setting: the maximum delay is 680 ms, Units can be displayed as: “ms”, “m” or “ft”.
OUT-LINK OUT1
1: 2: 3: 4:
5: 6: 7: 8: | Press down “DELAY” again to enter the linking adjustment settings. If the current channel is OUT1, you can choose OUT2, OUT3, OUT4, OUT5, OUT6, OUT7, OUT8. Channel parameters can be adjusted simultaneously.
__ FEQ:1OUT1
G: 0.0FREQ:   40.2 BY
Q: 3.00TYPE: PEAK | Press down the “PEQ” key to enter the PEQ settings. PEQ’s current filter number is 9 .
“G” is -12 dB – +12 dB. The scale of “FREQ” is 20 Hz-20 kHz. “Q” is 0.4-128.
The types of filter are Peak, Low-shelf, High-shelf, Low-cut, High-cut, Allpass1, Allpass2, and Bypass (which is √).
__ MATRIX OUT1
A: B: C: D: | Press down the “MATRIX” key to enter the matrix settings. All the output channels can freely choose one or several input signals.
__ MIXOUT1
A:+ 0.0 dB B:+ 0.0 dB
C:+ 0.0 dB D:+ 0.0 dB| Press down “MATRIX” again to enter the matrix routing output gain settings. The factory default is 0 dB. Adjustment range is -60 dB – 0 dB.
__ COMPRESSOR INA T
+20.0 R:1.0 K0PASS
A: 50 R: 500 F: 1K00| Press down “DYNAMIC” again to enter the COMPRESSOR settings. “T” is compression value -60 dB -+20 dB, “R” is the compression ratio 1:1, 1:10, LIMIT. “K” is soft knee 0-12 dB. “A” is attack time 10-900 ms, and “R” is release time 10-3000 ms. “F” and “PASS” are dynamic compressor settings, which are frequency and type settings ( low pass, high pass, and band-pass without “Q”. ).
LIMITOUT1
T:+ 20.0 R:LIMT  K: 0 dB
AT: 50 msmREL: 500 ms| Press down “DYNAMIC” again to enter the limiter settings. “T” is threshold value.
-60 dB – +20 dB. “R” is a limit ratio. 1:1, 1:10, LIMT, “K” is soft knee 0-12 dB. “AT” is the attack time of 10-999 ms. “ REL” is the release time adjustable between 10-3000 ms. If the output is used as a limiter, the ratio defaults to LIMIT.

PC SOFTWARE

Notice: The user manual and PC software are on the enclosed CD. Due to software upgrades that may be released always get the latest version from www.wharfedalepro.comWharfedale Pro SC 48
FIR Digital System Processor - PC SOFTWARE

  1. Install the PC software from the CD. (or download)
    Wharfedale Pro SC 48 FIR Digital System Processor - Fig
1

  2. Connect the processor to the computer by USB. After turning on the device the computer will find new hardware automatically. Then the hardware will install and you can use it.

  3. Open the PC software. The PC software will find USB and connect to the device. After that, the online key turns green at the top right corner and shows “Online”. You can then operate the processor with the software. Click the “Online” button then close the software interface before exiting.
    Wharfedale Pro SC 48 FIR Digital System Processor - Fig
2PAGE 1: VOLUME CONTROL INTERFACE
    Wharfedale Pro SC 48 FIR Digital System Processor - Fig
3

PC SOFTWARE

  1. Menu
    File| Open and save preset parameters. Upload and download to and from the computer.
    ---|---
    Link| Input and output channels can be set freely to adjust all of the parameters.
    Copy| Freely copy parameters between the input and output channels.
    Lock| Set the panel lock password to ensure the safety of the device.
    Setting ID| To cascade control more than 255 devices by setting different IDs
    In Select| Input signal selection. AES/EBU digital or ANALOG.
    Out Select| Output signal selection. AES/EBU digital or ANALOG.
    Test Tone| Built-in signal generator. Pink noise, white noise and sine wave. 20 Hz – 20 KHz.
    Channel Name| The channel name can be easily edited.
    Language| Select between Chinese and English language operation menus.
    Help| RS232 control protocol codes for reference.
  2. Spectrum Area: You can freely choose PEQ and phase.
  3. The Volume Control Area: Gain, Phaseand, Mute control for all input and output channels.
  4. Preset Operation Area: Save or convert preset parameters and show current preset parameter status.

PAGE 2 : COMPRESSOR INTERFACE
Wharfedale Pro SC 48 FIR Digital System Processor - Fig
4

  1. Shows the compression status, level indicators and status of all channels.
  2. Sets the compression parameters for the output channel. The compression range is -90dB-+20dB, ratio is 1:1, 1:10, LIMIT, attack time is: 1-999 ms, release time is 10-3000 ms and soft knee is 0 dB-12 dB.

PAGE 3 : LIMITER INTERFACE
Wharfedale Pro SC 48 FIR Digital System Processor - Fig
5

  1. Shows the limiter status, level indicators, and status of all channels.
  2. All output channel limiter parameters can be set the: the threshold is -90 dB to + 20 dB, the ratio is 1:1, 1:10, LIMITthe, the attack time is 1-999 ms the , release time is 10-3000 ms and the soft knee is 0 dB-12 dB. It is the peak limiter when the ratio is LIMIT.

PAGE 4 : DELAY INTERFACEWharfedale Pro SC 48 FIR Digital System
Processor - Fig 6

  1. Shows the delay parameter status of all channels.
  2. Can adjust the delay parameters of all channels. The scale is 0-680 ms, The Units of the delay can be displayed in ms, meters or feet.

PAGE 5 : MATRIX INTERFACEWharfedale Pro SC 48 FIR Digital System
Processor - Fig 7

  1. Shows the connections of the device. You can enter and edit channels by clicking the related square.
    Every channel name can also be edited.

  2. Any output channel can choose any routing connection from input channel signal source and the level can be set independently.

PAGE 6 : INPUT INTERFACE
Wharfedale Pro SC 48 FIR Digital System Processor - Fig
8

  1. PEQ and Low-cut & High-cut curves for all output channels could be adjusted if you select the Mag interface. The Phase curve othe of the current channel could be adjusted if you select the Phase interface. Besides, you can choose to show PEQ and Phase curves that are not in the current channel synchronously.
  2. Gain, Q value, frequency, and type of PEQ are adjustable, as well as the bypass key. PEQ type includes EQ, L-shelf, H-shelf, L-cut, H-cut, Phase 180°and Phase 360°.
  3. Gain, Q value, and frequency of PEQ could be adjusted by putter or controlled by pressing the UP, DOWN, LEFT, and RIGHT keys on the keyboard.
  4. 512Taps FIR is supported in default for the input channel. Click the “Firefile” folder to load the data.The software supports .CSV and .TXT format imports. After importing the file, the number will show on the Taps, FIR file name will show on the Name, PEQ curve diagram will immediately show the FIR curve. If Bypass FIR parameter is needed, please just click “ON”. Normally 512Taps FIR is recommended. If the larger the Taps, the longer the latency will be. For example, with 1024Taps, the latency will be as much as 10ms.
  5. Gain, Mute, and Phase could be controlled independently in the input channel, as well as the level indicator.

PAGE 7 : OUTPUT INTERFACEWharfedale Pro SC 48 FIR Digital System
Processor - Fig 9Wharfedale Pro SC 48 FIR
Digital System Processor - Fig 10

  1. PEQ and Low-cut & High-cut curves for all output channels could be adjusted if you select the Mag interface.
    The Phase curve of the current channel could be adjusted if you select the Phase interface. Besides, you can choose to show PEQ and Phase curves that are not in the current channel synchronously.

  2. Gain, Q value, frequency, and type of PEQ are adjustable, as well as the bypass key. PEQ type includes EQ, L-shelf, H-shelf, L-cut, H-cut, Phase 180°and Phase 360°.

  3. Gain, Q value, and frequency of PEQ could be adjusted by putter, or controlled by pressing the UP, DOWN, LEFT, and RIGHT keys on the keyboard.

  4. The slope 20Hz-20KHz of L-cut could be adjusted, and “Butterworth”, “Bessel” or “Linkwitz-Riley” could be chosen to use.

  5. The slope 20Hz-20KHz of H-cut could be adjusted, and “Butterworth”, “Bessel” or “Linkwitz-Riley” could be chosen to use.

  6. Gain, Mute, and Phase could be controlled independently in the output channel, as well as the level indicator.

SPECIFICATION

System Specification Frequency Response 20 Hz~20 KHz, -0.3 dBu
S/N Ratio >110 dBu
Distortion(THD) <0. 005 at 1 KHz(0 dBu)
Cross-talk <100 dB below full scale
Input Section Type Balanced XLR
Max. Input Level +15 dBu
Impedance 20 K/Stereo; 10 K/MONO
Output Section Type Balanced XLR
Max. Output Level (bypass) +20 dBu
Impedance <500 Ω
Digital Processing 24-bit sigma-delta converters

96 kHz Sampling Rate
Display| Dot matrix screen display For Parameters Setting And Function Select
Power Supply| AC~95 V-240 V    FUSE 250 VAC/2 A FAST
Dimension (LxWxH)| 48.2×24.7×4.4 cm
Weight| 2.7 kg

SUPPLIED ACCESSORIES

  1. One USB cord.
  2. One electrical cord.
  3. CD containing PC software and PDF user manual

REAR PANEL CONTROL PORT CONNECTIONS

  1. Ethernet connection port for direct connection to the computer through network cabling. Multiple devices can be connected to a switch for control, but remember to set each device’s IP and ID differently. It also can also connect to wireless routers but again remember to set each device’s IP and ID differently or it will fail to connect or will cause network address conflicts.
    Wharfedale Pro SC 48 FIR Digital System Processor - Fig
11

  2. RS232 connection port for central system control.
    Wharfedale Pro SC 48 FIR Digital System Processor - Fig
12

  3. RS485 cascade control port: Parallel connects several devices by RS485. You can choose different IDs to cascade control separately.
    Wharfedale Pro SC 48 FIR Digital System Processor - Fig
13

EXTENDED REMOTE CONTROL PROTOCOL

  1. Control package
    | 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DATE| SEX| Device Assess| CMD| Data1| Data2| Date3| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x41~0x4A| 0x??| 0x??| 0x??| 0x7D| 0x7B
  2. Command Detail
    (1) Gain Control(0x41)| 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DATE| STX| Device Assess| CMD| In/Out| Channel| +/-| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x41| In: 0 Out: 1| 0~3| +: 0,-: 1| 0x7D| 0x7B

(2) Mute Control(0x42)

| 0| 1| 2| 3| 4| 5| 6| 7| 8
---|---|---|---|---|---|---|---|---|---
DLE| STX| Device Assess| CMD| In/Out| Channel| No/Yes| STX| DLE
Packet| 0x7B| 0x7D| 1~254| 0x42| In: 0 Out: 1| 0~3| No:0 Yes:1| 0x7D| 0x7B
3. Load Preset Control(0x43)
| 0| 1| 2| 3| 4| 5| 6| 7| 8
---|---|---|---|---|---|---|---|---|---
DLE| STX| Device Assess| CMD| Factory/User| Preset| 0x30| STX| DLE
Packet| 0x7B| 0x7D| 1~254| 0x43| F: 0 U: 1| 0~31| 0| 0x7D| 0x7B

Example (recall user preset U00):7B7D01430100007D7B

  1. Input Volume Control(0x44)
    | 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DLE| STX| Device Assress| CMD| Channel| HI-VOL| LO-VOL| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x44| 00~07| 0x??| 0x??| 0x7D| 0x7B

Example (InA volume +0.0dB): 7B7D01440001187D7B

  1. Output Volume Control(0x45)
    | 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DLE| STX| Device Assress| CMD| Channel| HI-VOL| LO-VOL| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x45| 00~07| 0x??| 0x??| 0x7D| 0x7B

Example(Out 2 volume – 3.0dB): 7B7D01450100FA7D7B

  1. Get Now Gain(0x48)
    | 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DLE| STX| Device Assress| CMD| In/Out| Channel| 0x30| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x48| In: 0 Out: 1| 0~3| 0| 0x7D| 0x7B

Example (read input channel 1 gain parameter): 7B7D01480000007D7B
MCU Return: 0x00~0x90=-60dB~+12dB, 0.5dB/Step

  1. Get Now Mute(0x49)
    | 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DLE| STX| Device Assess| CMD| In/Out| Channel| 0x30| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x49| In: 0 Out: 1| 0~3| 0| 0x7D| 0x7B

Example (read input channel 1 mute parameter): 7B7D01490000007D7B
MCU Return: 0x00 or 0x01=Un-Mute or Mute

  1. Get Now Preset(0x4A)
    | 0| 1| 2| 3| 4| 5| 6| 7| 8
    ---|---|---|---|---|---|---|---|---|---
    DLE| STX| Device Assess| CMD| 0x30| 0x30| 0x30| STX| DLE
    Packet| 0x7B| 0x7D| 1~254| 0x4A| 0| 0| 0| 0x7D| 0x7B

Example (read preset parameter): 7B7D014A0000007D7B
MCU Return: 0x00~0x32=0: F00, 1~32:U00~U31

Communication parameter Bits per second 115200 Stop bits 1
Data bits 8 Step >=20ms
Parity None ID 1

IMPORTANT WARNINGS & SAFETY INSTRUCTIONS

  1. Read these instructions

  2. Follow all instructions

  3. Keep these instructions

  4. Heed all warnings

  5. Do not use this apparatus near water

  6. Clean only with dry cloth.

  7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

  8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

  9. Do not defeat the safety purpose of a polarised or grounding plug. A polarised plug has two blades with one wider than the other. A grounding plug has two blades and a third grounding blade. The wide blade or the third blade is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

  10. Protect the power cord from being walked on or pinched, particularly at the plug, receptacle and or the point where it exits from the apparatus.

  11. Only use attachments/accessories specified by the manufacturer.

  12. Only use a stand, tripod, bracket or rack specified by the manufacturer, or sold with the apparatus. When a rack is used, use caution when moving the rack and apparatus combination to avoid tip-over or injury.

  13. Unplug the apparatus during lightning storms or when unused for long periods of time.

  14. Refer all servicing to qualified personnel. Servicing is required when the apparatus has been damaged in any way including but not limited to power supply cord or plug damage, liquid ingress, foreign objects in the chassis, exposure to rain/moisture or impact damage. In addition, the unit must be serviced when you experience any abnormal operation.

  15. CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not attempt to perform any servicing other than that contained in the operating instructions unless you are qualified to do so. In addition, opening the casing will result in your warranty becoming null and void.

  16. Do not install this apparatus in a confined space such as a bookcase or similar unit. Good ventilation should be maintained around the apparatus. Any vents, air-inlets or fans should not be obstructed by objects such as paper, tablecloths, curtains, etc.

  17. WARNING: To reduce the risk of fire or electric shock, do not expose the apparatus to rain or moisture. The apparatus should not be exposed to dripping or splashing and objects filled with liquids, such as vases, should not be placed on the apparatus.

  18. WARNING: The mains plug/appliance coupler is used as a disconnect device, the disconnect device shall remain readily operable.
    CAUTION! RISK OF ELECTRIC SHOCK DO NOT OPEN
    ATTENTION:
    RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

  19. The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of non-insulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
    – Warning: To reduce the risk of electric shock, do not remove the cover (or back) as there are no user-serviceable parts inside. Refer servicing to qualified personnel.
    – The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the appliance.

  20. (Protective earthing terminal) The apparatus should be connected to a mains socket outlet with a protective earthing connection.

  21. Correct Disposal of this product. This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use local return and collection systems or contact the retailer where the product was purchased. They can take this product for safe environmentally friendly recycling.

WHARFEDALE PRO LIMITED WARRANTY
Wharfedale Pro products are warranted of manufacturing or material defects for a period of one year from the original date of purchase. In the event of malfunction, contact your authorised Wharfedale Pro dealer or distributor for information.
*Be aware that warranty details may differ from country to country. Contact your dealer or distributor for information. These terms do not infringe your statutory rights.

WHARFEDALE PROFESSIONAL
IAG House, 13/14 Glebe Road, Huntingdon, Cambridgeshire, PE27 7DL, UK
www.wharfedalepro.com
Wharfedale Professional reserves the right to alter or improve specifications without notice.
All rights reserved © 2021 Wharfedale Pro. Wharfedale Pro is a member of the IAG Group.

Documents / Resources

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