Retevis RT49B Two Way Radio User Manual

Retevis RT49B Two Way Radio

KEY FUNCTIONS

1. Screen
2. Push-to-Talk
3. Power On / Off Call Tone
4. Lamp On / Off Weather Switch
5. Speaker
6. Accessary Port
7. Lamp
8. Micro-USB Charging Port
9. Menu / Keypad Lock
10. Monitor / Scan
11. Microphone

DISPLAY SCREEN GUIDE

GETTING STARTED

Installing the Three AA NiMH Rechargeable Battery

1. Take the belt clip off.
2. With the back of the radio facing you, lift the battery cover latch up and remove the cover.
3. Insert the three AA NiMH battery with + and – polarity as shown inside.
4. Close the battery cover firmly.

Radio Battery Meter

The number of bars ( ) on the radio battery icon shown indicates the charge remaining in the battery. When the radio battery meter shows one segments, the radio chirps periodically (Low Battery Alert). In battery low status, the radio will sound the alert every 10 minutes or after releasing the PTT button.
Note:
Remove the battery from radio for storage purposes.

Removing the Three AA NiMH Rechargeable Battery

1. Turn the radio off.
2. With the back of the radio facing you, lift the battery cover latch up and remove the cover.
3. Remove each of the three AA NiMH rechargeable battery by pulling the ribbon attached to the radio.
4. Close the battery cover firmly.

Note:

• Be careful when removing NiMH batteries. Do not use sharp or conductive tools to remove either of these batteries.
• Remove the batteries before storing your radio for extended periods of time. Batteries corrode over time and may cause permanent damage to your radio.
• Do not mix old and new batteries and Do not mix alkaline, standard (carbon-zinc) or rechargeable (ni-cad, ni-mh, etc.) batteries.

Battery Capacity Maintenance

1. Charge the NiMH batteries once every 3 months when not in use.
2. Before placing the radio in storage, remove the battery.
3. Store the NiMH batteries in temperature between -20 °C to 35 °C and in low humidity. Avoid damp conditions and corrosive materials.

Using the Micro-USB Charger
The micro-USB charger is a handy port that allows you to conveniently charge your NiMH battery. Use certified adaptor(5V, ≥1A). Do not attempt to charge alkaline batteries.

1. Make sure your radio is turned OFF.
2. Plug the micro-USB cable into the micro-USB charging port on your radio. Connect the other end of the micro- USB charger to wall power outlet.
3. The battery meter on LCD will move to indicate the battery is charging.

Note:

• It is recommended to power OFF your radio while charging.
• When moving between hot and cold temperatures, do not charge the NiMH batteries until the battery temperature acclimates (usually about 20 minutes).
• For optimal battery life, remove the radio from the charger within 16 hours. Do not store the radio while connected to the charger.

Turning your Radio On and Off

1. Press and hold on the button to turn your radio ON/OFF. In the ON position, the radio chirps and briefly shows all  feature icons available on the radio.
2. The display screen then shows the current channel, code and all features that are enabled. The radio is in Two-Way mode.

Setting the Volume

Press and hold button for three seconds to listen to volume level.

1. First press either or to trigger volume change. You will see current volume level on screen.
2. Press to increase the volume. Press to decrease the volume.
3. When the volume reached level 0 the mute icon appears permanently on screen.
   Do not hold the radio close to your ear. If the volume is set to an uncomfortable level, it could hurt your ear

RECEIVING AND TRANSMITTING

To communicate, all radios in your group must be set to the same channel and sub code.

1. To talk, press and hold the PTT button. When transmitting, the icon is shown. Release the PTT button when you are finished talking. Do not use the radios closer than five feet apart.
2. When receiving, the icon is shown.
   For maximum clarity, hold the radio 2 to 3 centimeters away from your mouth and speak directly into the microphone. Do not cover the microphone while talking.

Talk Range
Your radio is designed to maximize performance and improve transmission range. Do not use the radios closer than five feet apart.

Monitor-Button
Press and hold button for 3 seconds to enter monitor mode and listen for weak signals on the current channel. You can also listen to the volume level of the radio when you are not receiving. This allows you to adjust the volume, if necessary. You can also press button to check for activity on the current channel before you talk.

Push-to-Talk Timeout Timer
To prevent accidental transmissions and save battery life, radio will stop transmitting if you press PTT button for 60 seconds continuously.

Mode Button

Press and hold button for 3 seconds, the user will be seamlessly switching between two-way and weather mode.

FEATURES

Setting the Channel
The channel is the frequency of the radio uses to transmit.

1. Press the button until the channel number starts to flash.
2. Press or button to change the channel number.
3. Press the PTT button to exit menu or button to continue setup.

Channels and Frequencies

CH

| Frequency (MHz)| Max Power

Output

|

CH

| Frequency (MHz)| Max Power Output|

CH

| Frequency (MHz)| Max Power

Output

|

CH

| Frequency (MHz)| Max Power Output
1| 462.5625| 0.5W| 7| 462.7125| 0.5W| 13| 467.6875| 0.5W| 19| 462.6500| 0.5W
2| 462.5875| 0.5W| 8| 467.5625| 0.5W| 14| 467.7125| 0.5W| 20| 462.6750| 0.5W
3| 462.6125| 0.5W| 9| 467.5875| 0.5W| 15| 462.5500| 0.5W| 21| 462.7000| 0.5W
4| 462.6375| 0.5W| 10| 467.6125| 0.5W| 16| 462.5750| 0.5W| 22| 462.7250| 0.5W
5| 462.6625| 0.5W| 11| 467.6375| 0.5W| 17| 462.6000| 0.5W|  |  |
6| 462.6875| 0.5W| 12| 467.6625| 0.5W| 18| 462.6250| 0.5W|  |  |

Selecting the Interference Eliminator Code

Sub-Codes help minimize interference by blocking transmission from unknown sources. Your radio has 121 Sub-Codes. To set the code for a channel:

1.  Press the    button until the code number starts to flash.

2.  Press     or     button to select code number.

3.  Press the PTT button to exit menu or button to continue setup.

Setting and Transmitting Call Tones

Your radio can transmit different call tones to other radios in yourgroup when you pressed  button. The radio has 10 call tones.To set a call tone:

1.  Press button until call tone ‘CA’ appears. The current call tone setting flash.

2.  Press     or     button to change and listen to the call tone.

3.  Press the PTT button to exit menu or button to continue setup.

Voice Operated Transmission (VOX)

Transmission is initiated by speaking into the microphone of the radio instead of pushing the PTT button.

1.  To activate VOX, press    button until ‘VOX’ appears on the display. The current setting (0, 1-3) will flash.

2.  Press     or     button to select the sensitivity level.

3.  Press the PTT button to exit menu.

L3=High Sensitivity|
---|---
L2=Medium Sensitivity
L1=Low Sensitivity
L0=Turn Off VOX function

Dual Channel Monitor

EnableTo set another channel and start Dual Watch.you to scan current channel and another channel alternately.

1.  Press button until ‘2CH’ appears on the display. The current setting (OF, 1-22) will flash.

2.  Press or to select channels.

3.  Press the PTT button to exit menu or button to continue setup.

4.  Press the PTT button or wait until the time out menu to activate Dual Watch. The screen will alternate between Home Channel and Dual Watch Channel.

To end Dual Watch mode, re-enter Dual Watch menu to select the OFF setting. Note:

If you set the same channel and code as current channel, Dual Watch does not work.

Setting High Low Power

1.  Press      button until ‘Pr’ appears on the display.

2.  Press      or   button to select HI or LO. (HI- High Power, LO- Low Power)

3.  Press the PTT button to exit menu.

Keypad Tones

Your radio emits a beep each time one of the buttons is pressed (except the PTT and button). Press and hold the  button while turning the radio ON to switch the keypad tone ON/OFF

Roger Tone

You can set your radio to transmit a unique tone when you finish transmitting.

Press and hold the  button while turning the radio ON to turn the Roger Beep ON. Repeat the step to turn Roger Beep OFF .

Keypad Lock

To avoid accidentally changing your radio settings:

Unauthorized modification and adjustment
Changes or modifications not expressly approved by the party responsible for compliance may void the user’s authority granted by the local government radio management departments to operate this radio and should not be made. To comply with the corresponding requirements, transmitter adjustments should be made only by or under the supervision of a person certified as technically qualified to perform transmitter maintenance and repairs in the private land mobile and fixed services as certified by an organization representative of the user of those services.
Replacement of any transmitter component (crystal, semiconductor, etc.) not authorized by the local government radio management departments equipment authorization for this radio could violate the rules.

FCC Requirements

This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. (Licensed radios are applicable);
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (Other devices are applicable)

(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.

NOTE:This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Safety Operation

Forbid

• Do not use charger outdoors or in moist environments, use only in dry locations/conditions.
• Do not disassemble the charger, that may result in risk of electrical shock or fire.
• Do not operate the charger if it has been broken or damaged in any way.
• Do not place a portable radio in the area over an air bag or in the air bag deployment area. The radio may be propelled with great force and cause serious injury to occupants of the vehicle when the air bag inflates.
• To reduce risk
• Pull by the plug rather than the cord when disconnecting the charger.
• Unplug the charger from the AC outlet before attempting any maintenance or cleaning.
• Contact Retevis for assistance regarding repairs and service.
• The adapter shall be installed near the equipment and shall be easily accessible

Approved Accessories

• This radio meets the RF exposure guidelines when used with the Retevis accessories supplied or designated for the product. Use of other accessories may not ensure compliance with the RF exposure guidelines and may violate regulations.
• For a list of Retevis-approved accessories for your radio model, visit the following website: http://www.Retevis.com

References

• RETEVIS - We are together
• Retevis.com After-sale service
• World Health Organization (WHO)

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