Radio Shack HANDHELD TRUNKING 20-521 - Manual (Page 14)

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1. Turn VOLUME/OFF counterclockwise until it clicks
to make sure the power is turned off.
2. Set the adapter’s voltage switch to 9V.
3. Connect the 3.4 mm outer diameter/1.3 mm inner
diameter tip to the adapter cord, matching TIP to –.
4. Plug the adapter’s barrel plug into your scanner’s
POWER jack.
5. Plug the other end of the adapter into your vehi-
cle’s cigarette-lighter socket.
If you have installed rechargeable batteries and
set
ALKALINE JACK NI-CD to NI-CD , the
adapter powers the scanner and recharges the
batteries at the same time.
Note: If the scanner does not operate properly when
you use a DC adapter, unplug the adapter from the cig-
arette-lighter socket and clean the socket to remove
ashes and debris.