Uniden SX237-2CK User Guide

SX237

•

22 Channels (15

GMRS/7 FRS

Channels)

•

Weather Channels

•

121 Privacy Codes

•

Weather Alert

•

Channel Scan

•

5 VOX levels

•

Channel Monitor

•

10 Call tones

•

Key Lock

•

Roger Beep

•

Beep Tone

•

Battery Strength Meter

•

Backlight

•

Battery Save/Low Battery

Alert

•

Volume Setting

•

Call Button

•

Last Channel

Memory

•

Up to 23-mile Range*

•

Auto Squelch

•

Charging Kit (model names

with CK) or Y-Split micro

USB cable (model names

with C)

•

microUSB Jack

•

Earbud/Headphone Jack

*

Range may vary depending on environmental and/or

topographical conditions.

1

2

4

5

6

7

8

9

10

11

12

3

13

1

Antenna

8

LCD

2

Push to Talk

9

CH/VOL Up

3

Headphone/microUSB jack

10

CH/VOL Down

4

WX/LOCK

11

CH/LIGHT

5

CALL/MON

12

Microphone

6

MENU/Power

13

Charging Contacts

7

Speaker

Congratulations on your purchase of a Uniden

SX237 series radio. This lightweight, palm-sized

radio is a state-of-the-art device, equipped with

many valuable features. Use it at sporting

events, to stay in contact with family and

friends, hiking, skiing, outdoors, or in a

neighborhood watch for vital communication.

Each radio uses 3 AA rechargeable Ni-MH

batteries, included.

If your model number contains a "C," your

package contains a microUSB Y charging cable.

If your model number contains "CK," it contains

a charging kit (including a charging cradle).

If your models number contains "HS," it contains

headsets.

Refer to the packaging for other specific

contents.

.

The 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.

Each radio uses 3 AA rechargeable NiMH

batteries (included).

1.

If necessary, remove the belt clip. Press

up on the belt clip latch and slide the belt

clip off of the radio.

2.

Remove the battery compartment door by

pressing on and sliding out the

compartment door. Remove the cover.

3.

Install the 3 AA batteries (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.

5.

Replace the belt clip if necessary

.

6.

Replace the belt clip if necessary.

BATTERY LEVEL /

LOW LEVEL ALERT

This unit has a battery level meter on the

display to indicate the status of the batteries.

When the battery in the unit is low, the battery

level meter icon

flashes and . Recharge

the batteries immediately.

CHARGING THE RADIO

For radios with microUSB Y-cable:

1.

Plug one branch of the microUSB Y-Cable

into each radio's microUSB charge port.

2.

Insert the other end (USB) into a USB

PACKAGE CONTENTS

FCC GMRS LICENSE

INSTALL THE BATTERIES

power source (computer, phone charger,

etc - not included).

3.

Charge the batteries for 16 hours and

disconnect the radio from the Y-cable after

charging.

For radios with a charging cradle:

1.

Connect the AC adapter to DC IN 9V jack

on the charger and to a standard 120V AC

wall outlet.

2.

Set the charging cradle on the desk or

tabletop, and place the radio in the

charging cradle with the keypad facing

forward.

3.

Make sure that the LED illuminates. Charge

the batteries for 16 hours and remove the

radio from the charging cradle after

charging.

Warning!

•

Neither the radio nor the charging cradle are

waterproof.

•

If the charging cradle falls into water, unplug it

before attempting to remove it from the water.

Allow the cradle to dry completely before

reconnecting the power.

•

Wipe off dirt or shake water from your radio

before placing in the charging cradle if your

radio is soiled or wet.

Notes:

•

Install the batteries before charging. Charge

time may vary depending on the battery life

remaining. For fastest charging, turn off the

radio before charging.

•

If battery power is low, you cannot operate the

radio even using external power. Allow the

batteries to charge before using. If you try to

transmit while power is low, the radio will

automatically turn off.

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

MENU/

key to turn

the radio ON.

2.

Press and hold the

MENU/

key to turn

the radio OFF.

3.

Press the

▲

or

▼

keys to increase or

decrease the volume level.

L0

-

L8

displays

as you press the keys.

USING THE MENUS

Press

MENU/

key to enter the Menu system.

Each time you press

MENU/

key you advance

through the system.

•

Press

MENU/

once; access Privacy Codes

(0 - 121).

•

Press

MENU/

twice; set the transmit (call)

tone for your radio (1 - 10, Off)

•

Press

MENU/

three times - access VOX.

(Levels 1 - 5, Off)

•

Press

MENU/

four times - exit Menus.

WORKING WITH CHANNELS / PRIVACY

CODES

Your radio has 22 channels and 121 Privacy

Codes you can use to talk to others. In order to

speak to someone, each of you must be set to

the same channel/Privacy Code.

1.

With the radio on, press

CH/LIGHT

key

once. The current channel number flashes.

2.

Use the

▲

or

▼

keys to select other

channels (1 - 22). Press and hold

▲

or

▼

keys to rapidly change channels.

3.

Press

CH/LIGHT

key again to set the

selected channel.

4.

Press

MENU/

key once. The current

Privacy Code flashes.

5.

Use the

▲

or

▼

keys to select other

Privacy Codes (1 - 121). Press and hold

▲

or

▼

keys to rapidly change Privacy

codes.

6.

Press

MENU/

key three times to set the

Privacy Code and exit the Menus.

VOICE OPERATED TRANSMISSIOS

Your radio is equipped with a user selectable

Voice Operated Transmitter (VOX) that can be

used for automatic voice transmissions. The

VOX feature is designed to be used with a

headset with a microphone. Transmission is

initiated by speaking into the headset's

microphone instead of pushing the

PTT

button.

To select the VOX level:

1.

Enter the Menu. Advance through the

Menu until the vox icon appears on the

display. The current level (OFF, 1-5) will be

indicated. Level

oF

(OFF) disables VOX,

while levels 1-5 set the sensitivity of the

VOX circuit.

2.

Press either the

▲

or

▼

keys to select the

desired VOX sensitivity level. Use level 1

for increased

sensitivity to voice in normally

quiet environments

, and use a higher level

to reduce undesired activation in very noisy

environments.

CHANNEL SCAN FEATURES

Your radio has a channel scan feature that

allows you to easily scan all 22 channels. When

an active channel is detected, the unit pauses on

that channel until the channel is clear. Then,

after a 2 second delay, the radio continues

scanning.

When the unit stops on an active channel, you

can press the

PTT

button on the microphone to

transmit on that channel.

To turn ON channel scan

Quickly press

CH/LIGHT

then hold

▼ for 3

seconds.

The

channels will cycle down

through all 22 chanels. To reverse scan

direction, press ▲. To stop scanning,

press

MENU/

.

TALKING ON YOUR 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 displays. To avoid

cutting off the first part of your

transmission, pause slightly after pressing

the

PTT

button before you start talking.)

2.

When you are finished speaking, release

the

PTT

button. You can now receive

incoming calls. While receiving, the

rx

icon

displays.

KEY LOCK

1.

To lock the keypad, press and hold

WX

LOCK

key. The

icon appears on the

display.

2.

To unlock the keypad, press and hold

WX

LOCK

key again. The

icon disappears

from the display.

Note:

While keylock is on, you can still use the

radio to receive, transmit, use call,

turn volume

up or down,

MON

and

MENU/

to turn the

radio on or off.

BACKLIGHT

Press and hold

CH/LIGHT

. A red backlight turns

on. It automatically turns off after several

seconds

TRANSMITTING A CALL ALERT TONE

Your radio is equipped with a call tone that will

be transmitted when the

CALL/MON

key is

pressed.

To transmit the call tone, press the

CALL/MON

key. The tone will be transmitted.

AUTO SQUELCH

The radio is equipped with an automatic squelch

system which shuts off weak transmissions and

unwanted noise due to terrain conditions or

range limitations.

MONITOR MODE

Your radio allows you to listen for weak signals

on the current channel at the press of a key.

To turn ON monitor mode, Press and hold

CALL/MON

for 2 seconds. The

tx

icon

displays. On a channel that does not have

activity, you will hear only an open-squelch

hissing noise.

To turn OFF monitor mode, press and hold the

CALL/MON

key for 2 seconds again.

Channels

143 (22 Channels + 121 Privacy

Codes)

Operating

Frequency

UHF 462.5500 - 467.7125 MHz

(GMRS)

162.4000 - 162.5500 MHz (WX)

Power

Source

3 rechargeable NiMH batteries

per radio

Battery

Life

12 hours typical (5/5/90 duty

cycle)

SPECIFICATIONS

Uniden SX237-2CK User Guide

Uniden SX237-2CK Manual

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