Maxus 21-1918 User Manual

For purchasing a radiosha ck pr oduct

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FOR PURCHASING A RADIOSHA

CK PR

ODUCT

THANK Y

O

U

21-1918

21-1918

*Range may vary depending on environmental and/or topographical conditions.

• 15 GMRS / 7 FRS Channels
• Long Battery Life
• Extended Long Range*
• Channel Scan
• Channel Monitor
• Battery Strength Meter
• Call Button
• Roger Beep
• Keytone on/off

1 Antenna

2 PTT (Push-To-Talk) Button

3 CH/SCAN

(Channel/Scan up) Key

4 CH/SCAN

(Channel/Scan down) Key

5 CALL Key

6 Speaker

7

(Power On/Off) Key

8 VOL/MON

(Volume up/Monitor) Key

9 VOL/MON

(Volume down/Monitor) Key

10 Microphone

11 Channel Indicator

12 Receive Indicator

13 Battery Level Indicator

14 Transmit Indicator

Congratulations on your purchase of the RadioShack
21-1918 radio. This product is a lightweight, palm-sized radio.
Use it at sporting events to stay in contact with family and
friends, hiking, skiing, outdoors, or in a neighborhood watch
for vital communication.

PACKAGE CONTENTS

Your package contains 2 X 21-1918 radios, 2 X reference
guides and 2 X belt clips. You will need to purchase 6 AAA
alkaline batteries in order to operate these units.

FCC GMRS LICENSE

The 21-1918 radio operates on the General Mobile Radio
Service (GMRS) frequencies which require a Federal
Communications Commission license to operate. For
licensing information and application forms, visit the
FCC on-line at:www.fcc.gov/wtb/uls or call the FCC
hotline at 1-800-418-3676. If you have any questions you
can contact the FCC direct at 1-888-225-5322.

INSTALL THE OPTIONAL BATTERIES

Your 21-1918 radio uses 3 AAA alkaline batteries (not
included) for power. We recommend using high quality
alkaline batteries.

To install the batteries:

1) Make sure your radio is OFF.
2) Remove the battery compartment door by pressing on

and sliding the compartment door, allowing the door to be
removed.

3) Install 3 AAA alkaline batteries (not included) into the

battery compartment. Be certain to follow the + and –
symbols in the compartment. Installing the batteries
incorrectly will prevent the unit from operating.

4) Replace the battery compartment door by sliding the door

into place.

USING THE RADIO

In order to get the most out of your new radio, read this
reference guide completely before attempting to operate the
radio.

Turning the Radio On and Adjusting the Volume

1) Press and hold the

key to turn the radio ON.

2) To change the volume level, press the VOL/MON

or

key to increase or decrease the volume level.

3) Press and hold the

key to turn the radio OFF.

Adjusting the Sound (Key Beeps)

Your radio emits a beep each time one of the keys (except
for the PTT button and CALL key) is pressed. The sound of
the key beep will increase or decrease depending on the
volume level setting.

To turn ON this beep:
Turn the radio OFF and then ON again.

Choosing a Channel

Your 21-1918 radio has 22 channels you can use to talk to
others. In order to speak to someone, each of you must set
to the same channel.

To choose a channel:
Press the CH/SCAN

or

key to increase or decrease

the channel number displayed.

Channel Scan Feature

Your 21-1918 radio has a channel scan feature that allows
you to easily scan all 22 channels. When an active channel is
detected, the unit will pause on that channel until the channel
is clear. Then after a 2 second pause, the unit will continue
scanning. Pressing PTT button while the scan is paused on a
channel will allow you to transmit on that channel.

To turn ON channel scanning:
Press and hold either the CH/SCAN

or key

for

about

3-4 seconds. The channel number on the display will rapidly
cycle through the channels.

To turn OFF channel scanning:
Press either the CH/SCAN

or key.

Talking on Your Radio

To talk to others using the radio:
1) Press and hold the PTT button and speak in a clear,

normal voice about 2-3 inches away from the microphone.
While you are transmitting the tx icon is displayed. To
avoid cutting off the first part of your transmission, pause
slightly after pressing the PTT button before you start
talking.

2) When you have finished speaking, release the PTT

button. You can now receive incoming calls. While
receiving, the rx icon is displayed.

Transmitting a Call Alert Tone

Your 21-1918 radio is equipped with a call tone that will be
transmitted when the CALL key is pressed.

To transmit the call alert tone, press the CALL key. The tone
will automatically be transmitted for a fixed length of time.

Auto Squelch Feature

The 21-1918 is equipped with an automatic squelch system
which shuts off weak transmissions and unwanted noise due
to terrain conditions or if you have reached your range limit.

Monitor Mode Feature
Your 21-1918 radio allows you to listen for weak signals on the
current channel at the press of a key.

Note: If you press either the CH/SCAN

or key

while

the unit is pausing on a channel, scanning will
resume.

To turn OFF this beep:
Press and hold the CALL key while turning ON the radio.

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