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◊ Trouble Shooting
Problem Possible Causes and Potential Solutions
(a)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.
(b) Fuse is blown. Check and solve problem resulting in blown fuse and replace fuse with new fuse.
(c) Display is too dim. Adjust the Dimmer to higher level.
(d) No sound comes from speaker. • Squelch is muted. Decrease squelch level.
• Tone or CTCSS/DCS squelch is active. Turn CTCSS or DCS squelch off.
(e) Key and Dial do not function. Key-lock function is activated. Cancel Key-lock function.
(f) Rotating Dial will not change memory
channel.
Transceiver is in CALL mode or VFO mode.
(g) PTT key is pressed but transmission
does not occur.
• Microphone connection is poor.
Connect microphone properly.
• Antenna connection is poor.
Connect antenna properly.
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