10
Maintenance
TROUBLE SHOOTING
Problem Possible Causes and Potential Solutions
(a) Power is on, nothing appears on
Display.
Polarities of power connection are reversed. Connect red lead to positive terminal and black lead to
negative 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. Set the LCD backlight parameter properly.
(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. Change to the VFO or memory 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.
If a problem should occur, rst try the troubleshooting procedure given above. If the problem persists, contact your nearest ALINCO
dealer for technical assistances.
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