Led Indicators; Optional Functions - Retevis Rb639 Bedienungsanleitung

LED indicators

LED indicator
Green light flashes slowly (5sec)
Green light flashes slowly (200ms)
Red light is always on
Green light is always on
Red light flashes quickly
Green light flashes quickly
Red light flashes quickly
Green light flashes quickly
Red and green lights flash alternately
Green light double flashing
Red light double flashing

Optional Functions

1. Power on / off
•In the off state, press and hold the power button for 3 seconds to turn on the radio and broadcast the current
channel number and the current battery level.
•In the on state, press and hold the power button for 3 seconds to switch off the radio and sound the off tone.
2. Volume adjustment
When the walkie-talkie is in standby or receiving state, short press the power button to adjust the volume of the
radio, and at the same time broadcast the current volume level. The volume can be cyclically adjusted to 0-5
levels
Note: when the volume level is 0, at this time the walkie-talkie reception for the mute mode.
3. Transmitting/receiving
•When the walkie-talkie is in standby, press and hold the transmit button (PTT) to transmit the signal of the
current channel and the LED lights up red.
•Release the transmit button (PTT) to receive the signal from the same channel, the speaker sounds the call and
the LED lights up green.
Note:
•When the walkie-talkie is transmitting, please keep the walkie-talkie in a vertical position and keep the
microphone at a distance of 2.5-5 cm from the mouth. When transmitting, please keep the walkie-talkie at least
2.5 cm from your head or body.
•During the use of the walkie-talkie, there is no need to perform multiple switch-on and switch-off actions，while
adjusting the volume to a level suitable for your hearing.
Before talking on the walkie-talkie：
1. Please set the transmitter and receiver to the same frequency point.
2. Please set the transmitter and receiver to the same CTCSS/DCS for the channel you want to talk to.
4. Channel selection
When the walkie-talkie is in standby mode, short press the [+] or [-] button to select the channel and broadcast
the current channel number.
5. CTCSS/DCS
This radio supports a total of 260 CTCSS/DCS. It can be set 50 CTCSS and 105*2 DCS (N and I phases) in the
programming software (CPS).
6. Call Tone
This radio supports the Call Tone function. When the radio is in standby, double-clicking the [PTT] button will
send a call tone. During the sending process, the local speaker can hear the call tone, and other radio on the
same channel can receive the call tone.
Steps：
•Short press the menu button to cycle, select the call tone menu
•Short press the [+] or [-] button to select the call tone, there are 1-5 types to choose from.
•Short press on the transmit button (PTT) to exit the setting and enter standby mode.
7. Roger Beep
This radio supports the Roger Beep function, which sends an audible signal to the other party that the
transmission has ended. When this function is set to on, the Roger Beep can be heard on the loudspeaker when
Standby status
Scan Status
Being transmited
Being received
Programming software is being operated to read data from the radio
Programming software is being operated to write data to the radio
One-touch frequency transmit mode
One-touch frequency receive mode
Being charged
Fully charged
Low power condition
02
Walkie-talkie working status