Maintenance - Alinco DR-138 Instruction Manual

13

Maintenance

Default Setting after Resetting(VHF)
VFO frequency
Memory channel
0-199
Offset direction
Offset frequency
Channel step
CTCSS encode and decode
CTCSS frequency
33
DCS encode
DR-138
and decode
145.00MHz DCS code
Output power
-
Key-lock setting
-
600KHz TOT
12.5KHz APO
- Squelch Level
88.5Hz
Trouble Shooting
Problem
-
(a) Power is on, nothing
023N
appears on Display.
HI
OFF
(b) Fuse is blown.
OFF
(c) Display is too dim.
OFF
4
(d) No sound comes from
speaker.
(e) Key and Dial do not
function.
(i) 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.
Dimmer setting is "LAMP-L". Please make the
dimmer setting "LAMP-H".
• 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. Press the VFO
or memory mode.
• Microphone connection is poor. Connect
microphone properly.
• Antenna connection is poor. Connect antenna
properly.