Kenwood TH-225A Instruction Manual page 18

MAINTENANCE
@ IN CASE OF DIFFICULTY
WHEN USING SUM-3/AA BATTERIES, ENSURE THE BAT-
TERY POLARITY AND VOLTAGE IS CORRECT BEFORE
PROCEEDING.
No sound from the speaker. No signal can be received.
1. Squelch is closed. Turn the SQL control counter-
clockwise.
2. T.SQ is activated. Turn the SQL control clockwise past
the detent position.
3. PTT switch of microphone is pressed setting the unit
in the transmit mode. Turn PTT switch off.
No control works.
KEY LOCK is ON. Press [] key and KEY LOCK key.
No output
1. Microphone jack is not fully plugged in. Insert the plug
fully.
2. Poor antenna connection. Connect antenna securely.
Memory loss.
Backup battery voltage is low. Contact your authorized
dealer.
All the indicators go out on the display.
Turn the power switch OFF and then ON.
The and/or indicator begins to blink.
The indicator will come on when the battery
needs recharging. If you continue to operate and the
and/or indicator begins to blink the radio
will no longer operate properly.
Replace/Recharge the battery when the indica-
tor comes on.
18
@ SERVICE
Should it ever become necessary to return the equipment
to your dealer or service center for repair, pack in its origi-
nal box and packing, and include a full description of the
problems involved. Also include your telephone number. You
need not return accessory items unless directly related to
the service problem.
Service note: Dear OM, if you desire to correspond on a
technical or operational problem, please make
your note short, complete, and to the point.
And PLEASE make it readable.
Please list: Model and serial number.
The question or problem you are
having.
When claiming warranty service, a photocopy
of the bill of sale, or other proof of purchase
showing the date of sale must accompany the
radio.