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11
Maintenance
deFAult VAlue FoR FActoRY ReSuMe
VFO frequency
CH1: 145.15MHz
CH2: 223.15MHz
Memory channel
CH3: 350.15MHz
1-758
CH4: 435.15MHz
Offset direction
Offset frequency
Step size
35
CTCSS code
CTCSS frequency
DCS code
DCS group
Output power
Key Lockout
TOT
APO
Squelch level
Tri-Band Mobile Radio
Left band
Right band
145.15MHz
435.15MHz
CH1: 145.15MHz
CH4: 435.15MHz
--
600KHz
5MHz
12.5KHz
25KHz
--
88.5Hz
--
017N
HI
OFF
3
OFF
4
tRouble ShootinG
Problem
(a) Power is on, nothing
appears on Display.
(b) Fuse is blown.
(c) Display is too dim.
--
(d) No sound comes
from speaker.
(e)
Key and Dial do
not function.
(f) Rotating Dial will not
change memory
channel.
(g) PTT key is pressed
but transmission does
not occur.
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.
Adjust the Dimmer to higher level.
• 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.
Transceiver is in CALL mode or VFO mode.
• Microphone connection is poor. Connect
microphone properly.
• Antenna connection is poor. Connect
antenna properly.
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