Trouble Shooting - Retevis RT95 Instruction Manual

12. MAINTENANCE
12.1 Default Setting after Resetting
Frequency band
VFO frequency
Memory channel
Offset direction
Offset frequency
Channel step
CTCSS encode and decode --
CTCSS tone frequency
DCS encode and decode
DCS Code
Output power
TOT
APO
VOL
Squelch Level

12.2 Trouble Shooting

Problem
(1) Power is on, nothing
appears on Display
(2) Fuse is blown
(4) No sound comes from
speaker
(5) Key and Dial do not
function
(6) No Scan
The whole band with noise
after programmed
Communication range was
short, bad sensitivity
Can not talk with other
members within the group
RT95 UHF/VHF Two Way Radio
VHF
145.150MHz
--
--
600KHz
10KHz
88.5Hz
--
000N
HI
3
OFF
28
3
Possible Causes and Potential Solutions
+ and - polarities of power connection are reversed. Connect
red lead to plus terminal and black lead to minus terminal of
DC power supply
Check and solve problem resulting in blown fuse and
replace fuse with new fuse
• Squelch is muted. Decrease squelch level.
• Tone or CTCSS/DCS squelch is active. Turn CTCSS or
DCS squelch off
Key-lock function is activated. Cancel Key-lock function
Did not list the channel in the scan when programmed
The squelch has opened during programmed
a. Check the antenna is well or not, and check the antenna
port whether well connected.
b. Antenna connector has debris or damaged. Whether set
Low power
a. Frequency/channel different, pls modify
b. CTCSS/DCS different, pls reset
c. Out of the communication range
UHF
431.150MHz
--
--
5MHz
10KHz
--
88.5Hz
--
000N
HI
3
OFF
28
3
28