Retevis RB637 Bedienungsanleitung Seite 4

Press the PPT key of the transmitter, and the red light flashes to transmit data. Restart the
walkie talkie and the radio will automatically exit the mode.
The red light and green light of the receiver flashes crosswise to indicate that the data is being
received at this time, and the power will restart after the radio receives the data.
Note:The wireless copy frequency and ID code of the transmitter and receiver must be the same
to transmit data. The wireless copy frequency and ID code can be changed by programming
software.
Read-Write Frequency Encryption
Use write frequency software Settings.
Scrambler Function
Users can set scrambler function ON/OFF on every working channel by software. Scrambler
function is one of the ways for encryption. Scrambler is to restore the transmission spectrum
through the spectrum to complete the change of the transmission spectrum, and to restore the
signal after receiving it, so that achieve voice encryption finally. Each channel can select
scrambler groups independently.Which has 8 groups optional.
Frequency Hopping Function
Frequency hopping function is DCS encryption on the transceiver. User can select Frequency
Hopping 1, Frequency Hopping2, Frequency Hopping3 or Frequency Hopping4, and communica-
tion is unavailable using different frequency hopping, only workable if under the same frequency
hopping.
CTCSS/DCS
User can set CTCSS/DCS signaling on the transceiver channel by software. Only when receiving
same CTCSS/DCS signaling from other transceiver, the squelch will open. If same channels but
with different CTCSS/DCS signaling for calling, then squelch will not open, only green light is on.
CTCSS/DCS codes are listed below:
Bluetooth on/off button
Press and hold the PF1/PF2 side key buttons that have defined the Bluetooth on/off button for 2
seconds to turn on, again to turn off the Bluetooth.
Press and hold the Bluetooth on/off button, walkie talkie will enter into the Bluetooth mode after a
beep and at the same time, the white light will flash quickly
The white light flashes slowly when the Bluetooth connection successful
Bluetooth Headset
After the Bluetooth headset and the walkie talkies are successfully connected, there will have a
beep then enter into the receiving state.
When Bluetooth Handset hears 3 beeps, then can talk.
Language switch
Volume Switch
Power On/off button
Led indicator
Press 1 time, the radio will transmit, press again radio will stop transmitting
Press and hold, the radio will transmit, release it, the radio will stop transmitting
CTCSS (50 Numbers)
Charging: Red light is always on when charging.
The Blue light will always on when fully charged.
Power on: Blue light will flash quickly.
Pairing: Red light and blue light flash alternatively quickly
Charging port
Standby: Blue light flash slowly
3