Cobra FRS121C Service Manual

FRS121C

2-WAY RADIO MODEL

Nothing Comes Close To A Cobra

™

English

Owner’s Manual

Printed in China Part No. 480-065-P

2

English

Making Life Easier & Safer

Introduction

Staying in touch with your family and friends is
convenient and easy when using your microTALK

®

radio. Some of the many uses you will discover include:

Communicating with others while hiking, biking, and working; keeping
track of family and friends at a crowded public event; checking with
travel companions in another car; talking with neighbors; arranging
meeting spots with others while shopping at the mall.

Secure your microTALK

®

radio while on the go.

Carrying your microTALK

®

radio with you is

easy when using the belt clip or wrist strap.
The belt clip easily attaches to your belt, purse,

or backpack. Simply squeeze the clip and place
it where you prefer.

For Assistance In Canada or the U.S.A.

In this user’s manual, you should find all the information you need
to operate your microTALK

®

radio. If you require further assistance

after reading this manual, Cobra

®

Electronics offers the following

customer assistance services:

Automated Help Desk

English only. 24 hours a day, 7 days a week 773-889-3087 (phone).

Customer Assistance Operators

English and Spanish. 8:00 a.m. to 6:00 p.m. CT,
Monday through Friday (except holidays) 773-889-3087 (phone).

Questions

English and Spanish. Faxes can be received at 773-622-2269 (fax).

Technical Assistance

English only. www.cobra.com (on-line: Frequently Asked Questions).
English and Spanish. productinfo

@cobra.com (e-mail).

For Assistance Outside Canada, the U.S.A. or in French

Contact Your Local Dealer

©2003 Cobra®Electronics Corporation

6500 West Cortland Street

Chicago, Illinois 60707 USA

www.cobra.com

Belt Clip

Wrist Strap

Customer Assistance

Battery

Compartment

Battery

Door Latch

BeltClip

3

English

Product Features

Introduction

On/Off
Power Button

Backlit LCD
Display

Channel Up/
Down Buttons

Speaker/Microphone

Call Button

Light/Max
Range Button

Antenna

Volume Up/
Down Button(s)

Mode/Lock

Button

Talk

Button

Wrist Strap

Connector

Industry Canada Notice: Operation is subject to the following two (2)
conditions: 1) this device may not cause interference, and 2) this device
must accept any interference, including interference that may cause
undesired operation of the device.
«IC» before the equipment certification number signifies that the Industry

Canada technical specifications were met. It does not guarantee
that the certified product will operate to the user’s satisfaction.

Important FCC Information

This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.

FCC Warnings: Replacement or substitution of transistors, regular diodes or
other parts of a unique nature, with parts other than those recommended by
Cobra

®

, may cause a violation of the technical regulations of part 95 of the FCC

Rules, or violation of Type Acceptance requirements of Part 2 of the Rules.

4

English

Product Features

Introduction

Features

• Two-Way Radio

With a range up to
three (3) kilometers
(2 miles).

• 14 Channels

• UHF FM Frequencies

• Backlit LCD Display

• Call Alert

• Key Lock Button

• “Roger Beep”

Selectable On/Off
confirmation tone.

• Battery/Power Saver

• Auto Squelch

• Maximum
Range Extender

• Belt Clip

• Wrist Strap

Caring for Your microTALK®Radio

•

Your microTALK®radio will give you years of trouble-free service if cared for
properly. Handle the radio gently. Keep the radio away from dust. Never put the
radio in water or in a damp place. Avoid exposure to extreme temperatures.

Backlit LCD
Display

Receive (RX)/
Transmit (TX) Icon

Lock

Icon

Roger
Beep Icon

Battery
Low Icon

Main Channel

Numbers

Batteries

•

To Install or Replace Batteries:

1. Remove belt clip by releasing belt clip latch and
sliding clip up.

2. Pull up on the Battery Door Latch to remove the
battery compartment cover.

3. Insert four (4) AAA batteries. (Always use high
quality alkaline batteries.) Position batteries
according to polarity markings.

4. Replace Battery Compartment cover and belt clip.

Contact your local Cobra

®

dealer or

Cobra

®

directly for optional battery pack

and desktop charger accessories.

Tur ning On Your microTALK®Radio

•

To Turn On Your Radio:

1. Press and hold the Power button until you hear a
series of audible tones indicating the radio is On.

Your microTALK

®

radio is now in Standby Mode,

ready to receive transmissions. The radio is always in
Standby Mode except when the Talk or Call buttons
are pressed.

Battery Low

•

When battery power is low, the Battery Low
icon will blink. Your batteries should be replaced or
recharged, if using rechargeable batteries.

Battery/Power Saver

•

Your microTALK®radio has a unique circuit designed
to extend battery life. If there are no transmissions
within ten (10) seconds, the radio will automatically
switch to Battery Save Mode. This will not affect the
radio’s ability to receive incoming transmissions.

5

English

Using Your Radio

Operation

On/Off Power

Battery Low

Insert Batteries

Pull Up Lock Tab

Remove Belt Clip

6

English

Using Your Radio

Communicating with Another Person

•

To Talk To Another Person:

1. Press and hold the Talk button.

2. With the microphone about five (5) centimeters
(2 inches) from your mouth, speak in a normal voice.

3. Release the Talk button when you are finished
talking and listen for a response.

You cannot receive incoming calls while
pressing the Talk button.

Both radios must be tuned to
the same channel to communicate.

Channels

•

To Select a Channel:

1. With the radio On, select any of the 14 channels by
pressing the Channel Up or Channel Down button.

Both radios must be tuned to the same
channel to communicate.

Listening for a Response

•

When You are Finished Talking:

1. Release the Talk button to receive incoming
transmissions. Your microTALK

®

radio is always in

Standby Mode while the Talk or Call buttons are not
pressed.

Volume

•

To Adjust the Volume:

1. Press the Volume Up or Volume Down button.

A double beep sound is used to indicate the minimum
and maximum volume levels (1 through 8).

Operation

Talk Button

5 cm (2 inches)
From Mouth

Channel Select

Listening

Volume Select

Volume Level

7

English

Using Your Radio

Operation

Call Button

•

To Alert Another Person That You Are Calling:

1. Press and release the Call button.

The other person will hear a two (2) second ringing
tone. You cannot send or receive transmissions during
the two (2) second call tone.

“Roger Beep” Confirmation Tone

•

Your listener will hear an audible tone when you
release the Talk button. This alerts the other party that
you are finished talking and it is OK for them to speak.
This feature can be turned On or Off.

When turning On your microTALK

®

radio for the first

time, “Roger Beep” will be On.

To Turn “Roger Beep” On or Off:

1. Press and release the Mode/Lock button until the
“Roger Beep” icon flashes. The current On or Off
setting is displayed.

2. Press the Channel Up or Channel Down button to
select “Roger Beep” On or Off.

3. a. Press the Mode/Lock button to enter the new

setting and return to Standby Mode.

b Do not press any buttons for 15 seconds to enter

the new setting and return to Standby Mode.

The setting you select will be saved when you turn
your radio Off and On again. When the “Roger Beep”
is On, the “Roger Beep” icon will be displayed.

Call Button

Roger Beep Icon

Roger Beep Off

Mode/Lock Button