Retevis RB29, User Manual, Page: 5 / 9

Please adjust VOX level well to guarantee smooth communications.
Note: When turn on VOX and VOX gain is in high and sensitive level, if connect mic/speaker
with radio, the signal of mic/speaker will probably cause radio transmit. Whether it is in Chinese
or English speech, press and hold the PTT button or VOX are all invalid and issued a "please
change battery" voice prompt, and loud "Di" sound until PTT release or end VOX.
Busy channel lockout(BCLO)
If you set busy channel lockout, press PTT after receiving a signal of prohibiting transmit, and
issue "Di" sound until PTT release.
QT/DQT
You can select the QT/DQT via program software. When a channel has QT/DQT, the speaker
will be turned on when it receives the same QT/DQT. If there is transmitted signal with different
QT/DQT in the same channel, the speaker will not open and indicator light turns green
One-Key Frequency Copy
Press the PTT button and the Moni switch on the receiver radio channel 1 at the same time to
turn on, the receiver radio will play the voice " Turn on the Radio-One " and then the green light
will flash slowly, the receiver radio and transmitter radio respectively turn the channel switch to
the channel to be stored, the transmitter radio Press PTT to transmit, the green light of the
receiver flashes quickly and then the green light flashes slowly after the receiver stops with a
beep. After copying is completed, just turn off and restart.
Ÿ6XSSRUWGLIIHUHQWEUDQGZDONLHWDONLHFRS\
Frequency Copy all channels at one times
Press the PTT key and the Moni switch on the transmitter and receiver channel 2 at the same
time, the transmitter and receiver indicator light green light slowly flash, the transmitter press
PTT for 3 seconds and then release, the transmitter indicator light changes from red light to slow
flash green light, at the same time, the receiver indicator light changes from fast flash green light
to slow flash green light, then the copy is completed, and the computer can be turned off and
rebooted.
Ÿ2QO\VXSSRUWWKHVDPHVROXWLRQVZDONLHWDONLH
Trouble shooting guide
Troubles
No Electrical Source
The operating time becomes short, even the
battery is fully charged.
Not able to communicate with the
transceivers of the same group
The voice of another group can be heard.
Other radios can not receive the TX signals
or receive signals in a low volume
Noise is always heard
Solution
•The battery has been exhausted.
Replace or recharge the battery.
•The battery is installed incorrectly.
Remove it and install again.
ƒ&RQILUPWKH47'47LVWKHVDPH
ƒ7KHGLVWDQFHLVRXWVLGHRIUDQJH
ƒ6ZLWFKWKHYROXPHNQREWRWKHKLJKHVWOHYHO
ƒ7KHPLFURSKRQHPD\EHGDPDJHG
send it to the local dealer for check.
ƒ
The distance is outside of range.
ƒ
Turn on the radio in nearer range and try
again
Replace the battery.
Change all QT/DQT of the group.
Specification
GE
NE
R
A
L
Frequency Range FRS
Rated Voltage 3.7V DC
Memory Channel 16
Frequency Sensi Ɵ vity
f
0.5ppm
Antenna Impendance 50
¡
Opera Ɵ on Temperature Range -30
ć
~+60
ć
TRA
N
SMIT
TE
R
RF power
İ
2W
Modula Ɵ on type 16k Ɍ F3E
Modula Ɵ on distor Ɵ on <5%
Adjacent channel power
ı
65dB
Audio response +6.5 ~ -14dB
Max FR.Devia Ɵ on
İ f
5KHz
Spurious Radia Ɵ on
İ
7.5
­
W
Current
İ
1200mA
Modula Ɵ on Noise
˘
-40dB
Intermedia Ɵ on sensi Ɵ vity 8-12mv
RE
CEI
V
ER
Receiving sensi Ɵ vity 0.2 ʅ V
Adjacent channel selec Ɵ vity 65dB
Occupied Bandwidth
İ
16KHz
Current Standby 55mA, working 150mA
Reference Frequency 26.000MHz
Inter-modula Ɵ on
ı
60dB
Spurious
ı
55dB
Audio response +7
̚
-12.5dB
Audio distor Ɵ on <5%
Audio power 500mW
Note: Specification will be revised without notice due to technical improvement. Thank you.