12.1 Default Setting after Resetting
12.2 Trouble Shooting
12. MAINTENANCE
Frequency band VHF UHF
VFO frequency 145.150MHz 431.150MHz
Memory channel -- --
Offset direction -- --
Offset frequency 600KHz 5MHz
Channel step 10KHz 10KHz
CTCSS encode and decode -- --
CTCSS tone frequency 88.5Hz 88.5Hz
DCS encode and decode -- --
DCS Code 000N 000N
Output power HI HI
TOT 3 3
APO OFF OFF
VOL 28 28
Squelch Level 3 3
Problem Possible Causes and Potential Solutions
(1) Power is on, nothing
appears on Display
+ and - polarities of power connection are reversed. Connect
red lead to plus terminal and black lead to minus terminal of
DC power supply
(2) Fuse is blown
Check and solve problem resulting in blown fuse and
replace fuse with new fuse
(4) No sound comes from
speaker
• Squelch is muted. Decrease squelch level.
• Tone or CTCSS/DCS squelch is active. Turn CTCSS or
DCS squelch off
(5) Key and Dial do not
function
Key-lock function is activated. Cancel Key-lock function
(6) No Scan Did not list the channel in the scan when programmed
The whole band with noise
after programmed
The squelch has opened during programmed
Communication range was
short, bad sensitivity
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
Can not talk with other
members within the group
a. Frequency/channel different, pls modify
b. CTCSS/DCS different, pls reset
c. Out of the communication range
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