radtel GM670 Professional Waterproof Radio User Manual

radtel GM670 Professional Waterproof Radio

Professional Waterproof Radio

This manual contains important war nings and instructions, please read them carefully and keep them for reference.

PTT(Push-To-Talk) Switch

Press PTT then speak into the microphone to call and lights red. Release PTT to receive signal and lights green.

• Side keyl: Programmable
• Side key2: Programmable

Speaker/Microphone Jack
– Jack for speaker mic or Programming cable.

SIDE KEY PROGRAMMING
The radio side keyl& side key2 (short press/long press) can be progam to these function/ CLOSE/MONITOR/SCAN/CHANNEL+/CHANNEL Professional.

Preparation

Lithium-ion battery charging instructions (applicable to models with lithium- ion batteries)

1. Plug the power adapter into the AC power outlet and the charger indicator will turn green.
2. Insert the lithium-ion battery pack or the walkie-talkie equipped with the lithium-ion battery pack into the charger, confirm that the battery pack is in good con-tact with the charging terminal, and the indicator light turns red during charging.
3. When the battery is charged to 90%, the indicator light turns orange.
4. When the battery is fully charged, the indicator light of the charging stand turns green.
   After charging the battery pack for 9 hours, remove it from the charger.

Warning

• If the battery pack is fully charged, do not recharge it again, otherwise the life of the battery pack will be shortened or damaged.
• After charging the battery pack, remove it from the battery charger.
• Charging the battery pack for more than 5 days will shorten the life of the battery pack due to overcharging.

Note:

• The ambient temperature during charging is between 5 and 40 degrees Celsius. Outside this range, the battery pack cannot be fully charged during charging.
• Please turn off the power of the walkie-talkie equipped with the lithium ion battery pack before charging. Using the walkie-talkie while charging will prevent the battery pack from charging correctly.
• If the use time does not increase even after the correct charging, the life of the battery pack has expired, please replace the battery pack with a new one.

FUNCTION

Monitor
Press it and turn the volume knob to test the speaker volume

High / Low Power
Press the defined High/Low power function, the radio output power will be switch between high power and low power

Adjust channel 1-128
Long press Key2 or Key3 to adjust channels

Busy Channe l Lockout
This function can prevent other two way radio from disturbance. This function can be programmed by PC software to ON or OFF. If this function enable, the radio transmitter function was disabled and there is “du” beep when press PTT, in this case it will not disturb other communicate in this channel. If this function disable, it will be talking in normally.

WIDE/ NAR ROWBAND
It allows you to select wide band (25khz) or narrow band (12.5khz) by PC software.

Battery Save
The function decreases the power used when a signal is not being received and no operations are being performed ( no keys are being pressed, and no switches are being turned) While the channel is not busy and no operation is performed for 10s, battery save turns ON. When a signal is received or an operation is performed, battery save turns OFF.

SCAN
The radio can scan in 16th channel, it will scan the activate channels to talk. There is Carrier scan or Time scan which can program by PC software.

• Carrier Scan:
  the radio will scan and stop at the activated channel until the signal disappeared.

• Time Scan:
  the radio will scan and stop at this channel for 5 seconds then continue to scan next activated channels.

• Lower Power Alert
  If the radio battery power is low, the radio will sound the low power annunciation or sounds the “du.:’ (programmed by PC).

• Voice Compand
  This function is use to avoid from the interference, you can use it when there is too much Disturbed environment You can program it on/off by PC software.

Programming password
The radio have the function to set password for reading and write frequency This will prevent unauthorized person to program the radro.

SQUELCH LEVEL
It means the signal strength to open receiver, 0-9 levels can be programmed by PC software. Level 9 signal strength is strong than level 1, it will always open squelch if set to level 0

VOICE GUIDE
There is voice guide when power ON or select channels, you can use PC software to program it as OFF, Chinese, English

TIMEOUT TIMER

• This function is to prevent any person from using the channel for an extended period of time.
• If you continuously transmit for 300 seconds, the radio will stop transmitting and a tone will sound.
• To stop the tone, release PTT and press PTT again to resume transmitting.
• There is OFF 30s 60s 90 300s can be programmed by PC software.

CTCSS /DCS
Some channels may have pre-programmed CTCSS/DCS, it is a sub tone which allow you to ignore calls from others who are using the same channel. When you receive a signal that have a tone different from the one set up in your radio, you will not hear the signal. Likewise, signals that you transmit will only be heard by those whose CTCSS/DCS matches the tone set up in your radio.

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