KENWOOD TK-890, TK-790 User Manual

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Page 1

INSTRUCTION MANUAL

GRP

POWER

VOL

BUSY

SCAN OPT OSTA B CMON

CALL

MON

SCN

GRP

VOL

POWER

BUSY

VHF FM TRANSCEIVER

TK-690 series

VHF FM TRANSCEIVER

TK-790 series

UHF FM TRANSCEIVER

TK-890 series

Page 2

THANK YOU!

We are grateful you chose KENWOOD for your land mobile applications. We believe this easy-to-use transceiver will provide dependable communications to keep personnel operating at peak efficiency.

KENWOOD transceivers incorporate the latest in advanced technology. As a result, we feel strongly that you will be pleased with the quality and features of this product.

MODELS COVERED BY THIS MANUAL

••

• TK-690H: VHF FM Transceiver

••

• TK-790: VHF FM Transceiver

••

• TK-790H: VHF FM Transceiver

••

• TK-890: UHF FM Transceiver

••

• TK-890H: UHF FM Transceiver

••

Page 3

NOTICES TO THE USER

◆

GOVERNMENT LAW PROHIBITS THE OPERATION OF UNLICENSED RADIO TRANSMITTERS WITHIN THE TERRITORIES UNDER GOVERNMENT CONTROL.

◆

ILLEGAL OPERATION IS PUNISHABLE BY FINE OR IMPRISONMENT OR BOTH.

◆

REFER SERVICE TO QUALIFIED TECHNICIANS ONLY.

SAFETY: It is important that the operator is aware of, and understands, hazards common to the operation of any transceiver.

WARNING!

◆

EXPLOSIVE ATMOSPHERES (GASES, DUST, FUMES, etc.)

Turn OFF your transceiver while taking on fuel or while parked in a gasoline service station. Do not carry spare fuel containers in the trunk of your vehicle if your transceiver is mounted in the trunk area.

◆

INJURY FROM RADIO FREQUENCY TRANSMISSIONS

Do not operate your transceiver when somebody is within two to three feet of the antenna, to avoid the possibility of radio frequency burns or related physical injury.

◆

DYNAMITE BLASTING CAPS

Turn OFF your transceiver when in an area where blasting is in progress, or where “TURN OFF TWO-WAY RADIO” signs have been posted. Operating the transceiver within 150 meters (500 feet) of dynamite blasting caps may cause them to explode. If you are carrying blasting caps in your vehicle, make sure they are enclosed in a metal box with a padded interior. Do not transmit while the caps are being placed into or are being removed from the container.

Note:

This instruction manual covers only the basic functions of the transceiver. Consult your dealer

for more detailed information.

One or more of the following statements may be applicable:

FCC WARNING

This equipment generates or uses radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if an unauthorized change or modification is made.

INFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY THE FCC

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can generate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that the interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

•

Consult the dealer for technical assistance.

Page 4

CONTENTS

UNPACKING AND CHECKING EQUIPMENT ............................................... 1

Supplied Accessories .............................................................................. 1

PREPARATION ............................................................................................... 3

Tools Required ......................................................................................... 3

Power Cable Connection ........................................................................ 3

Installing the Transceiver........................................................................ 4

GETTING ACQUAINTED ................................................................................5

Basic Front Panel (KCH-10) .................................................................... 5

Basic Panel Display ................................................................................. 6

Full-featured Front Panel (KCH-11)........................................................ 7

Full-featured Panel Display .................................................................... 9

Rear Panel ............................................................................................... 10

Microphone ............................................................................................. 10

PROGRAMMABLE FUNCTIONS ................................................................. 11

BASIC OPERATIONS ................................................................................... 15

Switching Power ON/ OFF .................................................................... 15

Adjusting the Volume ............................................................................ 15

Selecting a Group .................................................................................. 15

Selecting a Channel ............................................................................... 15

Making a Call .......................................................................................... 15

DTMF CALLS ................................................................................................ 16

Manual Dialing ........................................................................................ 16

Redialing ................................................................................................. 16

Auto Dialing ............................................................................................ 16

OTHER TRANSCEIVER FUNCTIONS ......................................................... 18

Time-out Timer (TOT) ............................................................................ 18

Busy Channel Lockout (BCL) ...............................................................18

Operator Selectable Priority Channel .................................................. 18

2Tone/ DTMF Signaling ......................................................................... 18

Roll Over/ Dead End .............................................................................. 19

Dead Beat Disable (DBD) ...................................................................... 19

Timed Power OFF................................................................................... 19

Page 5

UNPACKING AND CHECKING EQUIPMENT

Note:

The following unpacking instructions are for use by your

KENWOOD

service facility, or the factory.

Carefully unpack the transceiver. We recommend that you identify the items listed in the following table before discarding the packing material. If any items have been damaged during shipment, file a claim with the carrier immediately.

■ Supplied Accessories

KENWOOD

TK-690

dealer, an authorized

Quantity

TK-890

TK-790

TK-890

TK-790

TK-890

Item

Microphone and microphone cable

Microphone hanger J19-1584-X5 Mounting bracket J29-0422-X3

Power cable assembly E30-3318-X5 Fuse (15 A) Speaker short plug

Cover F07-1336-X5 Retaining band J61-0307-X5

Knob

Hex-headed screw N09-2177-X5 Self-tapping screw

(5 x 16 mm) Self-tapping screw

(4 x 16 mm) Spring washer Flat washer Warranty card

(USA/ Canada only) Instruction manual

The microphone cable can also be ordered separately as E30-3313-X8.

Part Number

T91-0587-X5

F05-1537-X5 E37-0733-X5

K29-4704-X4 K29-5276-X3

K29-5277-X3 K29-5305-X3

N09-0335-X5

N46-4016-X6

N16-0050-X6 N15-1050-X6

B46-0470-XX

B62-0970-XX

(B)

– – – –

(B)

–

(B)

–

– – – –

(B)

1–

–

– 1 111111 1 111111 1 1111 –––––

–––––

11111

–––––

––––– –––––

44 44

1 111111

(B)

–

– – – –

Page 6

Microphone and

microphone cable

Microphone hanger

Mounting bracket

Power cable

assembly

Cover

Hex-headed

screw

Self-tapping screw

(5 x 16 mm)

Fuse (15 A)

Retaining band

Self-tapping screw

(4 x 16 mm)

Speaker short plug

Knob

Spring washer

Flat washer

Page 7

PREPARATION

WARNING!

◆

VARIOUS ELECTRONIC EQUIPMENT IN YOUR VEHICLE MAY MALFUNCTION IF THEY ARE NOT PROPERLY PROTECTED FROM THE RADIO FREQUENCY ENERGY WHICH IS PRESENT WHILE TRANSMITTING. ELECTRONIC FUEL INJECTION, ANTI-SKID BRAKING, AND CRUISE CONTROL SYSTEMS ARE TYPICAL EXAMPLES OF EQUIPMENT THAT MAY MALFUNCTION. IF YOUR VEHICLE CONTAINS SUCH EQUIPMENT, CONSULT THE DEALER FOR THE MAKE OF VEHICLE AND ENLIST HIS AID IN DETERMINING IF THEY WILL PERFORM NORMALLY WHILE TRANSMITTING.

◆

ALTHOUGH THE REMOTE PANELS ARE WATER RESISTANT, THE MAIN TRANSCEIVER BODY IS NOT. MOUNT IT IN A PLACE WHERE IT WILL NOT GET WET.

Note:

The following preparation instructions are for use by your

KENWOOD

service facility, or the factory.

■ Tools Required

Note

: Before installing the transceiver, always check how far the mounting screws will extend below the mounting surface. When drilling mounting holes, be careful not to damage vehicle wiring or parts.

The following tools are required for installing the transceiver:

• 6 mm (1/4 inch) or larger electric drill

• Drill bits (sizes listed below) and circle cutters

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)hcni23/5(mm2.4swercsgnippat-flesmm61x5

)hcni8/1(mm2.3swercsgnippat-flesmm61x4

KENWOOD

dealer, an authorized

■ Power Cable Connection

CAUTION:

CHECK THE BATTERY POLARITY AND VOLTAGE OF THE VEHICLE BEFORE INSTALLING THE TRANSCEIVER.

THE TRANSCEIVER OPERATES IN 12 V NEGATIVE GROUND SYSTEMS ONLY!

1 Check for an existing hole, conveniently located in the firewall, where the

power cable can be passed through.

• If no hole exists, use a circle cutter to drill the firewall, then install a rubber grommet.

2 Run the two power cable leads through the fire wall and into the engine

compartment, from the passenger compartment.

3 Connect the red lead to the positive (+) battery terminal and the black lead

to the negative (–) battery terminal.

• Locate the fuse as close to the battery as possible.

4 Coil and secure the surplus cable with the provided retaining band.

• Be sure to leave enough slack in the cables so the transceiver can be removed for servicing while keeping the power applied.

Page 8

■ Installing the Transceiver

WARNING!

SUPPLIED MOUNTING BRACKET, SO THE TRANSCEIVER WILL NOT BREAK LOOSE IN THE EVENT OF A COLLISION.

FOR PASSENGER SAFETY, INSTALL THE TRANSCEIVER SECURELY, USING THE

1 Mark the position of the holes in the dash by using the mounting bracket

as a template. Drill the holes, then attach the mounting bracket using the supplied 5 x 16 mm screws.

• Be sure to mount the transceiver in a location where the controls will be within easy reach of the user, and where there is sufficient space at the rear of the transceiver for cable connections.

2 Connect the antenna and the supplied power cable to the transceiver.

3 Slide the transceiver into the mounting bracket and secure it using the

supplied hex-headed screws.

4 Mount the microphone hanger, using the supplied 4 x 16 mm screws, in a

location where it will be within easy reach of the user.

• The microphone and microphone cable should be mounted in a place where they will not interfere with the safe operation of the vehicle.

5 Connect one plug of the microphone cable to the jack on the base of the

microphone, and the other plug to the microphone jack on the front panel of the transceiver. Place the microphone on the hanger.

Microphone

hanger

Mounting bracket

Microphone cable

Transceiver

Power input

connector

Antenna

connector

Power cable

Red wire

Black wire

Fuse

Fuse holder

Hex headed

screw

Battery

Page 9

GETTING ACQUAINTED

■ Basic Front Panel (KCH-10)

POWER

GRP

BUSY

VOL

q POWER switch

!0!0

!1!1

Press to switch the power ON (or OFF).

w GRP (Group) keys

Press GRP Up to increase the group selection by one step. Press GRP Down to decrease the group selection by one step. (See page 11 for

other programmable functions for these keys.)

e TX, BUSY indicators

The TX (red) indicator lights while transmitting. The BUSY (green) indicator lights while the selected channel is in use.

r Microphone connector

Insert the microphone plug into this connector and secure it using the attached screw. To remove the microphone, release the screw, then turn the connector clockwise until it becomes free.

t VOL (Volume) control

Turn clockwise to increase the volume, and counterclockwise to decrease it.

y CH (Channel) control

Turn clockwise to increase the channel selection (default setting), and counterclockwise to decrease it. (Alternatively, this control can be programmed with group up/down.)

u PF1 key

uu ii

i PF2 key

ii oo

o PF3 key

oo !0!0

!0 PF4 key

!0!0 !1!1

!1 PF5 key

!1!1

Press these PF (programmable function) keys to activate their programmable functions {page 11}. The default is set as No Function.

Page 10

■ Basic Panel Display

!0!0

!1!1

!2!2

!3!3

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Page 11

■ Full-featured Front Panel (KCH-11)

POWER

GRP

q POWER switch

BUSY

VOL

!0!0

!1!1

CALL

!2!2

SCAN OPT OSTA B CMON

!4!4

!3!3

!4!4

!3!3

!5!5

MON

SCN

!6!6

!7!7

Press to switch the power ON (or OFF).

w GRP (Group) keys

Press GRP Up to increase the group selection by one step. Press GRP Down to decrease the group selection by one step. (See page 11 for

other programmable functions for these keys.)

e MON (Monitor) key

Press to cancel QT, DQT, 2Tone, and DTMF signaling squelch (default setting). Press and hold for 2 seconds to hear background noise (unmute the audio). (See page 11 for other programmable functions for this key.)

r SCN (Scan) key

Press to start (or stop) the scanning sequence (default setting). (See page 11 for other programmable functions for this key.)

t PF6 key

tt yy

y PF7 key

yy uu

u PF8 key

uu ii

i PF9 key

ii oo

o TX, BUSY indicators

Press these PF (programmable function) keys to activate their programmable functions {page 11}. The default is set as No Function.

The TX (red) indicator lights while transmitting. The BUSY (green) indicator lights while the selected channel is in use.

!0!0

!0 Microphone connector

!0!0

Insert the microphone plug into this connector and secure it using the attached screw. To remove the microphone, release the screw, then turn the connector clockwise until it becomes free.

!1!1

!1 VOL (Volume) control

!1!1

Turn clockwise to increase the volume, and counterclockwise to decrease it.

uu ii

Page 12

!2!2

!2 CH (Channel) control

!2!2

Turn clockwise to increase the channel selection (default setting), and counterclockwise to decrease it. (Alternatively, this control can be programmed with group up/down.)

!3!3

!3 PF1 key

!3!3 !4!4

!4 PF2 key

!4!4 !5!5

!5 PF3 key

!5!5 !6!6

!6 PF4 key

!6!6 !7!7

!7 PF5 key

!7!7

Press these PF (programmable function) keys to activate their programmable functions {page 11}. The default is set as No Function.

Page 13

■ Full-featured Panel Display

CALL

SCAN OPT OSTA B CMON

!0!0

!1!1

!2!2

!3!3

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CALL

MON

SCAN

OPT

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Page 14

■ Rear Panel

■ Microphone

9 pin connector

(for accessories)

Power input

connector

25 pin connector (for accessories)

Antenna connector

PTT (Push To Talk) switch Press and hold to transmit, then speak into the microphone. Release to receive.

Page 15

PROGRAMMABLE FUNCTIONS

The following functions can be programmed onto the GRP Up, GRP Down, MON, SCN, and PF1 ~ PF9 keys. If desired, you do not need to have a function

programmed onto a key (No Function). Please contact your dealer for more information on these functions.

(Channel Up/ Group Up)

(Channel Down/ Group Down)

Press these keys to increase or decrease the channel number or group number (respectively). Pressing the key momentarily will change the number by 1 step. Pressing and holding the key will scroll through the numbers.

AN (Channel Name)

Press this key to switch the display between the Group/ Channel number, and the Group/ Channel name (alphanumeric). A tone will sound each time you switch between numerical and alphanumerical display.

AUX A/ AUX B/ AUX C

Press these keys to turn the Aux A, Aux B, or Aux C output port (respectively) ON or OFF. When you press the key, the AUX A, AUX B, or AUX C icon appears and a tone sounds. When you press the key again, the icon disappears and a tone sounds.

CH 1 (CH 1 Direct)/ CH 2 (CH 2 Direct)/ CH 3 (CH 3 Direct)/ CH 4 (CH 4 Direct)/ CH 5 (CH 5 Direct)

Press these keys to directly select the Group 1/ Channel 1 directory, Group 1/ Channel 2 directory, Group 1/ Channel 3 directory, Group 1/ Channel 4 directory, or Group 1/ Channel 5 directory (respectively).

D/A (Delete/ Add)

Press this key to delete a channel/ group from, or add a channel/ group to, the scanning sequence.

Press this key to add the currently displayed channel to scan. The channel add icon appears. Press and hold this key for 2 seconds to add the currently displayed group to scan. The group add icon appears.

If a channel is already in the scanning sequence, and you want to delete it, press this key while the channel is displayed. The channel add icon disappears. If a group is already in the scanning sequency, and you want to delete it, press and hold this key for 2 seconds. The group add icon disappears.

Press this key while scanning when an undesired channel is displayed, to temporarily delete it from scan. If there are only 2 channels in the scanning sequence, this function cannot be performed. To restore the original scanning sequence, turn scan OFF, then ON.

Page 16

DIM (Dimmer)

Press this key to adjust the brightness of the display and key backlight. Also press this key to turn the TX and BUSY indicators and the DTMF microphone keypad backlight ON or OFF.

EMG (Emergency Call)

Press this key to initiate an emergency call (requires ANI board). When an emergency call is made, no tone is emitted and the display does not change. To end the emergency call, turn the transceiver power OFF.

HA (Horn Alert)

Press this key to turn the Horn Alert function ON or OFF. If you receive a call from the base station with 2Tone or DTMF signaling, horn alert will activate. When you turn Horn Alert ON, a tone will sound and HA (or HORN ALERT) appears on the display.

HC (Home Channel: fixed/ toggle)

Fixed: Press this key to select the pre-programmed Home Channel.

Toggle: Press this key to select the pre-programmed Home Channel. Press it again to return to the previous channel. If used while scanning, pressing this key a second time will change to the revert channel.

IC (Intercom)

This feature requires dual head configuration. Press this key to turn the intercom feature ON or OFF. While ON, you can press the PTT switch to communicate to another control head operator without transmitting over the air. When you press this key, a tone sounds and INTERCOM appears on the display. The intercom can be used even while scanning and receiving a call.

MON (Monitor)

Press this key to cancel QT/DQT and 2-Tone/DTMF signaling squelch. Press and hold this key for 2 seconds to hear background noise (unmute the audio). When monitor is being used, the MON icon appears on the display.

OPT (Scrambler)

If you have an optional scrambler board installed in your transceiver, you can press this key to turn it ON or OFF. When enabled, a tone sounds and the OPT icon appears on the display. To change the scrambler code:

1 Press and hold the OPT key for 1 second. A tone sounds and CODE

appears on the display with the current code.

2 Press the GRP Up/ Down keys, or use the CH control to select the

desired setting.

3 Press the OPT key. A tone sounds and the display returns to the normal

channel.

Page 17

OST (Operator Selectable Tone)

This feature allows you to select a signaling tone from the pre-programmed QT/DQT list. Press this key to activate OST. The OST icon appears on the display. To select a decode/encode pair:

1 Press and hold the OST key for 1 second. A tone sounds.

2 Press the GRP Up/ Down keys, or use the CH control to select the

desired decode/encode pair. TONE and the tone number or OST and the OST name appear on the display.

3 Press the OST key. A tone sounds and the display returns to the normal

channel.

PA (Public Address)

Press this key to use the transceiver as a PA amplifier. When you enable this function, a tone sounds and PA (or PUBLIC ADDRESS) appears on the display. The public address can be used even while scanning and receiving a call.

RCL (Channel Recall)

During scan, you can press this key to select the last called channel. rCL (or RCL) will appear on the display. Press this key a second time to return to the previous channel.

SCN (Scan)

Press this key to start or stop the scanning sequence. When you activate scan, a tone sounds, the SCN (or SCAN) icon appears, and SCAN or the OFF HOOK revert channel number appears on the display. If there is less than 2 channels in the scanning sequence, an error tone sounds. Scan can be set up two different ways: ON HOOK or OFF HOOK. ON HOOK requires the microphone to be on the hook before scanning will activate. OFF HOOK allows you to activate scan whether the microphone is on or off the hook.

When a signal is received while scanning, the scan will halt, the audio is unmuted, and the channel number or name appears on the display.

If Priority1 or Priority2 is programmed, this priority channel is periodically checked for a signal while a signal is being received on a normal channel. When a signal appears on the priority channel, the transceiver will automatically switch to that channel.

If Priority1 and Priority2 are programmed, the Priority1 channel takes precedence. The transceiver acts the same as if there is one priority channel except that it checks both priority channels rather than a single channel. Also, if a signal is being received on the Priority2 channel, the Priority1 channel is still periodically checked for a signal.

To enter carrier squelch scan, press the MON key while scan is in progress.

Page 18

SP (Speaker Internal/ External)

Press this key to switch between “Internal” and “External” speaker. When “External” is selected, a tone sounds and the SP icon appears on the display. You can use this function while scanning and receiving a call. However, all audio will be emitted from the PA speaker.

SPM (Speaker 1-2 Mute)

This feature requires dual head configuration. Press this key to disable the speaker audio from the other control head. When pressed, a tone sounds and MUTE appears on the display with the muted head number.

SQ (Squelch Level)

You can manually adjust the squelch level using this function:

1 Press the SQ key. A tone sounds and SQL (or SQUELCH) appears on the

display with the current squelch level.

2 Press the GRP Up/ Down keys, or use the CH control to select the

desired level.

3 Press the SQ key. A tone sounds and the display returns to the normal

channel.

TA (Talk Around)

Press this key to make a call without using a repeater. When you activate this function, a tone sounds and tA (or TA) appears on the 3-digit display. This function is useful when you are close to the mobiles you want to talk to.

Page 19

BASIC OPERATIONS

■ Switching Power ON/ OFF

Press the POWER switch to switch the transceiver ON (or OFF)

• The display backlight illuminates when the power is switched ON.

■ Adjusting the Volume

Turn the VOL control clockwise to increase the volume, and counterclockwise to decrease it.

■ Selecting a Group

Press the Group Up or Group Down keys, or use the CH control (depending on which one is programmed with the group functions).

• Pressing Group Up or Group Down will increase or decrease the group selection.

• Turning the CH control clockwise will increase the group selection, and turning it

counterclockwise will decrease the selection.

■ Selecting a Channel

Press the Channel Up or Channel Down keys, or use the CH control (depending on which one is programmed with the channel functions).

• Pressing Channel Up or Channel Down will increase or decrease the channel

selection.

• Turning the CH control clockwise will increase the channel selection, and turning it

counterclockwise will decrease the selection.

■ Making a Call

1 Select the desired group and channel (above).

• Make sure the channel is not in use. If the channel is in use, the BUSY (green) indicator will light; wait until the channel is no longer in use.

2 Press the PTT switch, then speak into the microphone in your normal

speaking voice.

• For best results, hold the transceiver approximately 3 to 4 cm (1 1/2 inches) from your lips.

3 Release the PTT switch to receive.

4 Replace the microphone on the hanger when the call is finished.

Page 20

DTMF CALLS

You can make DTMF calls using the optional KMC-28 DTMF microphone.

■ Manual Dialing

To dial a number manually:

1 Press and hold the PTT switch.

• If Keypad Auto PTT is enable, you do not need to press the PTT switch (please consult your dealer for enabling this function).

2 Press the desired DTMF keys.

■ Redialing

A maximum of 16 digits can be redialed. The last number dialed, either manually or automatically, will be redialed.

To redial a number:

1 Press the key.

• An “A” will appear on the display.

2 Press the 0 key.

• The transceiver will redial the last number, and the digits will appear on the display.

Note:

If the transceiver power is switched OFF, the redial memory will be erased.

■ Auto Dialing

Note:

Auto dialing is either enabled or disabled by your dealer.

Store:

To store a number in memory:

1 Press the # key.

• A “D” will appear on the display.

2 Press the desired DTMF keys to enter a maximum of 16 digits.

• Press and hold the PTT switch, then press 2, 5, 8, 0, , or # to enter A, B, C, D, , or # (respectively).

3 Press the # key.

4 Select the desired memory channel by pressing a DTMF key (1 ~ 9).

• The number entered in step 2 will be stored in the memory channel selected.

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Confirm:

To confirm a stored number:

1 Press the # key.

• A “D” will appear on the display.

2 Press the key.

• “D–” will appear on the display.

3 Press the memory channel key (1 ~ 9) with the stored number you want to

confirm.

• The stored digits will appear on the display and the DTMF tones will sound.

Send:

To send a stored number:

1 Press the key.

• An “A” will appear on the display.

2 Press the memory channel key (1 ~ 9) with the stored number you want to

send.

• The transceiver will begin the transmission and the digits will appear on the display.

Clear:

To erase a stored number from memory:

1 Press the # key.

• A “D” will appear on the display.

2 Press the # key again.

• “D–CLR” will appear on the display.

3 Press the memory channel key (1 ~ 9) with the stored number you want to

erase.

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OTHER TRANSCEIVER FUNCTIONS

The following functions can be set up by your dealer.

■ Time-out Timer (TOT)

The TOT is used to automatically inhibit transmission after a specified time elapses. If the PTT switch is held down for longer than the programmed time, the transceiver will stop transmitting and a warning tone will sound. To stop the warning tone, release the PTT switch.

■ Busy Channel Lockout (BCL)

BCL prevents you from interfering with other stations that may be using the same channel as you. When you press the PTT switch while the channel is in use, a warning tone sounds and the transceiver does not transmit. To stop the warning tone, release the PTT switch.

If BCL override has been enabled, you can press the PTT switch again within

0.5 seconds to cancel BCL. The transceiver will transmit.

■ Operator Selectable Priority Channel

You can set Priority1 and Priority2 channels when this function is enabled. To set a Priority1 channel, press and hold the SCN key, then press the MON key 3 times. To set a Priority2 channel, press and hold the SCN key, then press the MON key 2 times.

■ 2-Tone/ DTMF Signaling

2-Tone/ DTMF signaling will only open the squelch when the proper code is received. When the transceiver receives a correct code, the CALL icon flashes.

If transpond has been enabled, the transceiver automatically sends an acknowledgement signal after receiving the 2-Tone/ DTMF signal.

If alert tone has been enabled, an alert tone sounds after receiving the 2-Tone/ DTMF signal.

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■ Roll Over/ Dead End

If roll over is enabled and you are pressing the GRP Up/ Down keys, or rotating the CH control, when you reach the maximum or minimum number, the number will roll over to the minimum or maximum number. For example, when turning the CH control clockwise, the channel number increases. When it reaches its maximum value, it rolls over to its minimum value and then starts to increase again.

If dead end is selected, when you reach the maximum or minimum value, the value will not change. For example, when turning the CH control clockwise, the channel number increases. When it reaches its maximum value, it stops. You must then rotate the CH control counterclockwise to change the value.

■ Dead Beat Disable (DBD)

After receiving a DBD code, the transceiver will automatically send an acknowledgement signal. Transmission is disabled. If the radio receives a DBD reset code, the transceiver will automatically send an acknowledgement signal. Transmission is enabled.

■ Timed Power OFF

This function requires an ignition-sense which must be connected to the 9 pin connector on the rear panel of the transceiver. When you turn the ignition of your vehicle OFF, the timer starts. After the pre-selected time expires, the transceiver will turn OFF. The timer resets when the ignition is turned ON and OFF.

Page 24

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