Maintenance – Alinco DR-138  User Manual

Page 37

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29

12

DR-138

DCS encode

and decode

-

VFO frequency

155.000MHz

DCS code

023N

Memory channel

0-199

-

Output power

HI

Offset direction

-

Key-lock setting

OFF

Offset frequency

600KHz

TOT

OFF

Channel step

12.5KHz

APO

OFF

CTCSS encode and decode

-

LCD color

Orange

CTCSS frequency

88.5Hz

-

-

DR-438

DCS encode

and decode

-

VFO frequency

456.000MHz

DCS code

023N

Memory channel

0-199

-

Output power

HI

Offset direction

-

Key-lock setting

OFF

Offset frequency

5.000MHz

TOT

OFF

Channel step

12.5KHz

APO

OFF

CTCSS encode and decode

-

LCD color

Orange

CTCSS frequency

88.5Hz

-

-

Default Setting after Resetting DR-138

Default Setting after Resetting DR-438

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 a new one.

(c) Display is too dim.

Set the LCD backlight parameter properly.

(d) No sound comes from

speaker.

• Squelch level too hight. Decrease squelch level.

• Selective-calling like TSQ activated. Press

[Moni] key to monitor.

(e) Key and Dial do not

function.

Key-lock function is activated. Cancel Key-lock

function.

(i) Rotating Dial will not

change memory channel.

Transceiver is in CALL mode. Press

.

(g) PTT key is pressed but

doesn't transmit.

• Microphone connection is poor. Connect

microphone properly.

• Antenna connection is poor. Connect antenna

properly.

Maintenance

Optional functions will be basically deativated and programmed values

are erased.

Please contact your dealer when a technical assistanc may be

necessary.

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