Cobra Electronics PR 945 User Manual

FPO

Operating Instructions for Your Cobra

®

microTALK

®

2-WAY RADIO MODEL PR 945 DX

Instrucciones operativas del

RADIO BIDIRECCIONAL

MODELO PR 945 DX

Cobra®microTALK

®

Nothing comes close to a Cobra™

Nada

se compara a Cobra™

English, pages 1-16

Español, páginas 17-34

PRODUCT FEATURES

ENGLISH

1

PRODUCT FEATURES

ENGLISH

2

OFF

ON

Backlit LCD

Display

LOCK
Button

MODE
Button

ON/OFF
VOLUME

Switch

CHANNEL

SELECT
Button

Charger
Jack

Speaker/
Microphone

Belt Clip

CALL

Button

HI/LOW
(Power)

Button

TALK

Button

LIGHT/MAX

RANGE
Button

Antenna

Battery

Compartment

LOCK Tab

External Speaker/
Microphone Jack

LIGHT/MAX

RANGE Button

TALK

Button

Product Features

• TWO-WAY RADIO with up to a

six (6) mile (10 km) range

• 22 CHANNELS (seven (7)
shared with FRS/GMRS,
seven (7) FRS only,
eight (8) GMRS only)

• 38 CTCSS PRIVACY CODES

• Selectable HI/LOW POWER
Output (on all GMRS channels)

• UHF FM Frequencies

• BACKLIT LCD Display

• EXTERNAL SPEAKER/
MICROPHONE Jack

• 10 MEMORY LOCATIONS

• FULL CHANNEL/CTCSS SCAN

• MEMORY SCAN

• SIGNAL STRENGTH Meter

• MAXIMUM RANGE Extender

• 10 CALL SIGNAL Selections

• “ROGER BEEP” Confirmation
Tone (selectable On/Off)

• KEYSTROKE TONES
(selectable On/Off)

• AUTO SQUELCH

• CALL Button

• BATTERY SAVER Circuitry

• LOCK Button

• BELT CLIP

• WATER RESISTANT

BACKLIT LCD DISPLAY

Important

FCC Licensing Information

This radio operates on General Mobile

Radio Service (GMRS) frequencies
which require a Federal Communications
Commission (FCC) license. See page 14
for licensing and additional information.

Receive/

Transmit
Tower Icon

CTCSS Privacy Code
Numbers

Memory
Location

Low Power
Icon

Key Lock
Icon

Keystroke
Tones Icon

Roger Beep Icon

Memory
Icon

Power
Saver Icon

Battery Level Meter

Main Channel
Numbers

Signal Strength
Meter Icon

Scan Icon

Selecting a Channel

Channels 1-7 are shared with FRS/GMRS. Channels

8-14 are FRS only. Channels15-22 are GMRS only.
(

IMPORTANT: See page 13 for FRS/GMRS frequency

allocations and compatibility chart.)

1. With the radio On, select any of the 22 channels by

pushing the CHANNEL SELECT button up or down.

(

NOTE: Both radios must be tuned to the same channel

to communicate.)

Selecting a CTCSS Privacy Code

CTCSS (Continuous Tone Coded Squelch System) is an

advanced tone coding system allowing you to select one of
38 privacy codes to reduce interference from other users on
the channel.

(

NOTE: If you are using a privacy code, both radios must

be tuned to the same channel and privacy code to
communicate. Each channel will remember the last privacy
code you selected.)

To select a privacy code:

1. After selecting a main channel, press and release the

MODE button. A small number will flash next to the
channel in the LCD.

2. Push the CHANNEL SELECT button up or down to select

a privacy code. You can hold the button up or down for
fast advance.

3. When your desired privacy code is displayed:

a) Press the MODE button to enter the new setting and

proceed to other functions.

b) Press the LOCK button to enter the new setting and

return to Standby mode.

c) Do not press any buttons for 15 seconds to enter the

new setting and return to STANDBY MODE.

OPERATION OPERATION

ENGLISH

4

Batteries

To install or replace batteries:

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

clip down.

2. Pull down on the Battery 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.

(

NOTE: Contact your local Cobra®dealer or Cobra

®

directly for optional charger accessories.)

Turning On Your microTALK®Radio

1. Rotate the ON-OFF/VOLUME switch clockwise to turn

On the radio (and to adjust the volume). An audible
tone will indicate the radio is On.

Your microTALK

®

is now in Standby mode, ready to receive
transmissions. The radio is always in Standby mode except
when the TALK, CALL, or MODE buttons are pressed.

Battery Low

Battery power is indicated by the segments appearing at

the bottom of the LCD. As battery power decreases, fewer
segments will be visible. When bA Lo begins to flash, the
batteries should be replaced. If you are using rechargeable
batteries, they should be recharged.

Auto Battery Save

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 and POWER SAVER will appear in the display.
This will not affect the radio’s ability to receive incoming
transmissions.

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3

Belt Clip

Lock Tab

ON-OFF/

VOLUME

Switch

MODE
Button

CHANNEL
SELECT
Button

CHANNEL
SELECT
Button

OPERATION

To temporarily turn Off Auto Squelch:

1. Press the LIGHT/MAX RANGE button less than five (5)

seconds.

If you hear two (2) beeps, you have turned the Maximum
Range Extender On (see below).

To turn Maximum Range Extender On:

1. Press and hold the LIGHT/MAX RANGE button for at

least five (5) seconds until you hear two (2) beeps
which indicates the Maximum Range Extender is On.

To turn Maximum Range Extender Off:

1. Press and release the LIGHT/MAX RANGE button or

change channels.

Using the Lock Function

The Lock function locks the CHANNEL, MODE and HI/LOW

POWER buttons to prevent accidental operation.

To use the Lock function:

1. While in Standby mode, press and hold the LOCK

button for one (1) second. The Lock icon will blink
when the radio is locked. Buttons that are NOT locked
are the CALL, LOCK, LIGHT/MAX RANGE, TALK buttons,
and ON-OFF/VOLUME switch which are all fully
functional while the radio is locked.

2. To “unlock” buttons, press and release the LOCK

button again. The Lock icon disappears and all buttons
will be unlocked.

External Speaker/Microphone Jack

Your microTALK®radio can be fitted with an external

speaker/microphone, freeing your hands for other tasks.
(See page 16 for optional accessories.)

To attach an external speaker/microphone:

1. Open the SPKR/MIC tab on top of the radio.

2. Insert the plug into the SPKR/MIC jack.

(

CAUTION: Do not use an external speaker/

microphone with common ground circuits with this radio.
Damage can result. We recommend using only Cobra

®

authorized accessories.)

OPERATION

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6

Calling Another Person

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. (See page 11 on
how to select between ten (10) call tone settings.)

You cannot send or receive transmissions during the two
(2) second call tone.

Talking to Another Person

1. Press and hold the TALK button.

2. With the microphone about two (2) inches (5 cm)

from your mouth, speak in a normal voice.

3. Release the button when you’re finished talking and

listen for a response. You cannot receive incoming calls
while pressing the TALK button.

Listening for a Response

When you are finished talking:

1. Release the TALK button to receive incoming

transmissions. Your microTALK

®

is always in listening

mode while the TALK button is not pressed.

2. Adjust the volume by rotating the ON-OFF/VOLUME switch.

Illuminating the Display

1. Press and release the LIGHT/MAX RANGE button to

illuminate the display for ten (10) seconds.

Auto Squelch/Maximum Range

Your microTALK®radio is equipped with Auto Squelch,

which automatically shuts Off weak transmissions and
unwanted noise due to terrain, conditions, or if you’ve
reached your maximum range limit.

You can temporarily turn Off Auto Squelch or turn On
Maximum Range Extender, allowing all signals to be
received and extending the maximum range of your radio.

ENGLISH

5

TALK

Button

LOCK
Button

ON/OFF

VOLUME

Switch

LIGHT/

MAX RANGE

Button

LIGHT/

MAX RANGE

Button

Speaker/
Microphone
Jack

External

Microphone

Speaker

CALL

Button

2 inches away

ADVANCED OPERATION ADVANCED OPERATION

ENGLISH

8

Using the MODE Button

The MODE button allows you to use and program the

various functions of your microTALK

®

radio. If you press and
hold the MODE button, the LCD will cycle through the
different functions.

Programming Memory Locations

Your microTALK®radio has ten (10) memory locations

(0-9) for storing your most frequently used channels and
privacy codes.

To program locations:

1. Push the MODE button until the Memory icon and the

memory location flashes.

2. Press the CHANNEL SELECT button up or down to select

the memory location you wish to change.

3. Press and release the MODE button again. The Memory

icon and the main channel number will flash.

4. Press the CHANNEL SECTECT button to select the main

channel you wish to store.

5. Press the MODE button again to store the main channel

in memory and move to privacy code selection. The
privacy code number begins flashing and the Memory
icon continues to flash.

6. Press the CHANNEL SELECT button to select the privacy

code (00-38) you wish to store.

7. Press the LOCK button to program your selection.

You may also press the TALK button to transmit your
selected channel and privacy code, which will be stored
into the memory location you are using.

8. a) Press and release the LOCK button to return to

Standby mode at your new memory location.

b) Press and release the MODE button to save the

memory location and proceed to other functions.

(

NOTE: To “unprogram” a memory location you

programmed previously, select 00 for both the main
channel and privacy code in steps 4 through 6.)

ENGLISH

7

Recalling Memory Locations

To recall a channel you have stored in a
memory location:

1. Press the MODE button until the Memory icon and a

memory location flashes.

2. Select your desired memory location by pushing the

CHANNEL SELECT button up or down.

Your radio will stay at this memory location until you exit
Memory Function mode by pressing the LOCK button.

Repeat steps 1 and 2 to recall other memory locations.

Using the Scan Function

Your microTALK®radio can automatically scan main

channels (1-22), the privacy codes (00-38) within one
main channel, or memory locations.

To scan main channels:

1. Press the MODE button until the Scan icon and main

channel number flashes.

2. Push the CHANNEL SELECT button up or down and the

radio will begin scanning the main channels.

(

NOTE: The radio “ignores” privacy codes while scanning

main channels.)

3. The radio will continue to scan all main channels and

stop if an incoming transmission is detected. The radio
will remain on that channel for ten (10) seconds.
During that time you can:

a) Press and hold the TALK button and talk. The radio will

remain on that channel and return to Standby mode.

b) Push the CHANNEL SELECT button up or down to

resume scanning main channels.

c) Press the MODE button to proceed to privacy code

scanning (see following page).

If you do not press any button within ten (10) seconds,
the radio will automatically resume scanning main
channels.

MODE

Button

MODE
Button

MODE
Button

TALK
Button

MODE
Button

LOCK

Button

CHANNEL
SELECT
Button

CHANNEL
SELECT
Button

MODE
Button

CHANNEL
SELECT
Button

ADVANCED OPERATION

ENGLISH

ADVANCED OPERATION

Using the Scan Function (continued)

To scan privacy codes:

1. While in Standby mode, press the CHANNEL SELECT

button up or down to choose the main channel you
wish to scan.

2. Press the MODE button until the Scan icon and the

privacy code number flashes.

3. Push the CHANNEL SELECT button up or down and the

radio will begin scanning privacy codes within the main
channel you selected.

4. The radio will continue to scan privacy codes and stop if

an incoming transmission is detected. The radio will
remain on that code for ten (10) seconds. During that
time you can:

a) Press and hold the TALK button and talk. The radio

will remain on that channel and privacy code, then
return to Standby mode.

b) Push the CHANNEL SELECT button up or down to

resume scanning privacy codes.

c) Press the MODE button to proceed to memory

location scanning (see below).

If you do not press any button within ten (10) seconds,
the radio will automatically resume scanning privacy codes.

To scan memory locations:

1. Press the MODE button until the Scan icon, Memory

Location icon and memory location number flashes.

2. Push the CHANNEL SELECT button up or down and the

radio will begin scanning memory locations.

3. The radio will continue to scan all memory locations

and stop if an incoming transmission is detected. The
radio will remain on that location for ten (10) seconds.
During that time you can:

a) Press and hold the TALK button and talk. The radio

will remain on that memory location channel and
return to Standby mode.

10

ENGLISH

9

b) Push the CHANNEL SELECT button up or down to

resume scanning memory locations.

c) Press the MODE button to proceed to other functions.

If you do not press any button within ten (10) seconds,
the radio will automatically resume scanning memory
locations.

You must have at least two (2) memory locations
programmed in order to scan memory locations.

(NOTE: If you want to reduce the number of memory
locations being scanned you need to ”unprogram“ all
unwanted locations by changing both the main channel and
privacy code to 00. See Programming Memory Locations,
page 7.)

“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.

To turn “Roger Beep” On or Off:

When turning On your microTALK®radio for the first time,

“Roger Beep” will be On.

1. Press the MODE button until the “Roger Beep’’ icon

flashes on the LCD. The current On or Off setting is
displayed.

2. Press the CHANNEL SELECT button up or down to select

“Roger Beep” On or Off.

3. a) Press the MODE button to enter the new setting and

proceed to other functions.

b) Press the LOCK button to enter the new setting and

return to Standby mode.

c) 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.

MODE

Button

CHANNEL
SELECT
Button

MODE
Button

CHANNEL
SELECT
Button

CHANNEL
SELECT
Button

MODE
Button

CHANNEL
SELECT
Button