Samsung 21-1840 User Manual
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Cat. No. 21-1840
OWNER’S MANUAL
Please read before using this equipment.
Personal FM
n
n
Automatic Squelch
n
Headset Jack for Handsf ree Com-
n
Transmit/Battery In d icator
n
Radio
14 Ch an n els
Call Button
Monitor
n
munication
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INTRODUCTION
Your RadioShack Personal FM Radio is a lightweight, palm- si zed radio that you can clip to your belt
and carry almost anywhere. You can use it to talk
with another person who has an FRS radio set to the
same
frequency
dio.
(14-channel selectable) as your ra-
Your radio has
auto-squelch
, which means you won’t
hear anything on the channel unless someone is
transmitting nearby on the same channel. But, you
can turn off auto-squelch to hear weaker, distant
transmissi ons (see Page 11).
Also, if you do not transmit for over 30 seconds, the
radio automatically switches to a power save mode
and returns to full power when it receives a transmission or you press any key.
We recommend you record your radio’s serial
number here. The number is on the radio’s back
panel.
Serial Number:
1998 Tandy Corporation.
©
RadioShack is a registered trademark used by Tandy Corporation.
All Rights Reserved.
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PREPARATION
INSTALLING BATTERIES
Your radio uses th ree AA batteries for power. For the
longest life, we recommend alkaline batteries (available from your local RadioSha ck store) . You can also
use rechargeable nickel-cadmium batteries (such as
Cat. No. 23-325) and recharge them in the radio using an optional AC adapter (such as Cat. No. 273-
1663).
Follow these steps to inst all batteries.
ALKALINE/
Ni-Cd
1. Turn the radio off, remove the screw from the
belt clip, then slide off the battery compartment
cove r.
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Ni-Cd
ALKA-
(for
2. Set the switch inside the compartment to
LINE
(for alkaline batteries) or
rechargeable nickel-cadmium batteries).
Caution:
switch set to
Do not use alkaline batteries with the
Ni-Cd
.
3. Install the batteries, matching the polarity symbols (+ and –) inside the compartment.
4. Replace the cover.
Caution:
Do not mix old and new batteries, different
types of batteries (standard, alkaline, or rechargeable), or rechargeable batteries of different capacities.
The radio’s range decreases as the battery power
decreases. To ensure maximum range, keep fresh
batteries in the radio.
When the TX/LO BATT (Transmit/Low Battery) indicator flashes when you are not holding down
pressing
CALL
, replace the batteries.
PTT
or
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Recharging Nickel-Cadmium Batteries
If you use rechargeable nickel-cadmium batteries,
you can recharge them in the radio using an optional AC adapter (such as Cat. No. 273-1663). Be sure
the switch inside the battery compartment is set to
Ni-Cd
.
Caution:
You must use an AC adapter that supplies
6 volts DC and delivers at least 700 mA. Its center
tip must be set to positi ve and its pl ug must f it the ra-
CHRG
dio’s
jack. The recommended adapter meets
these specifications. Using an adapter that does not
meet these specifications could damage the radio or
the adapter.
1. Attach the adapter’s 3.4 mm outer diameter/1.3
mm inner diameter barrel plug to the adapter
and set TIP to positive (+) .
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