Kenwood Two Way Radio TK 780 User Manual

TK-780/ TK-880  
VHF FM TRANSCEIVER/ UHF FM TRANSCEIVER  
INSTRUCTION MANUAL  
ÉMETTEUR-RÉCEPTEUR FM VHF/ ÉMETTEUR-RÉCEPTEUR FM UHF  
MODE D’EMPLOI  
TRANSCEPTOR FM VHF/ TRANSCEPTOR FM UHF  
MANUAL DE INSTRUCCIONES  
VHF-FM-TRANSCEIVER/ UHF-FM-TRANSCEIVER  
BEDIENUNGSANLEITUNG  
RICETRASMETTITORE FM VHF/ RICETRASMETTITORE FM UHF  
MANUALE DI ISTRUZIONI  
VHF FM ZENDONTVANGER/ UHF FM ZENDONTVANGER  
GEBRUIKSAANWIJZING  
KENWOOD CORPORATION  
© B62-1438-10 (E)  
09 08 07 06 05 04 03 02 01  
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THANK YOU!  
We are grateful you chose KENWOOD for your personal 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-780: VHF FM Transceiver  
TK-880: UHF FM Transceiver  
PRECAUTIONS  
Please observe the following precautions to prevent fire, personal injury, and  
transceiver damage.  
Do not attempt to configure the transceiver while driving; it is too dangerous.  
Do not modify the transceiver for any reason.  
Do not expose the transceiver to long periods of direct sunlight, nor place it near  
heating appliances.  
Do not place the transceiver in excessively dusty, humid, or wet areas, nor on  
unstable surfaces.  
If an abnormal odour or smoke is detected coming from the transceiver, turn OFF the  
power immediately. Contact your KENWOOD dealer.  
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 AND/OR IMPRISONMENT.  
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 either touching the antenna or standing within  
two to three feet of it, to avoid the possibility of radio frequency burns or related physical injury.  
DYNAMITE BLASTING CAPS  
Operating the transceiver within 500 feet of dynamite blasting caps may cause them to explode.  
Turn OFF your transceiver when in an area where blasting is in progress, or where “TURN OFF  
TWO-WAY RADIO” signs have been posted. If you are transporting blasting caps in your vehicle,  
make sure they are carried in a closed metal box with a padded interior. Do not transmit while  
the caps are being placed into or removed from the container.  
i
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CONTENTS  
UNPACKING AND CHECKING EQUIPMENT............................................ 1  
SUPPLIED ACCESSORIES .................................................................. 1  
PREPARATION ........................................................................................... 2  
TOOLS REQUIRED ............................................................................... 2  
POWER CABLE CONNECTION ........................................................... 2  
INSTALLING THE TRANSCEIVER....................................................... 3  
ORIENTATION............................................................................................. 4  
FRONT PANEL ...................................................................................... 4  
DISPLAY ................................................................................................ 5  
REAR PANEL ........................................................................................ 5  
PROGRAMMABLE AUXILIARY FUNCTIONS........................................... 6  
BASIC OPERATIONS ................................................................................. 8  
OPERATION OVERVIEW ...................................................................... 8  
SWITCHING POWER ON/ OFF ............................................................ 8  
ADJUSTING THE VOLUME .................................................................. 8  
SELECTING A GROUP/ CHANNEL ..................................................... 8  
MAKING A CALL ................................................................................... 8  
RECEIVING A CALL.............................................................................. 8  
TIME-OUT TIMER (TOT) ....................................................................... 9  
HORN ALERT ........................................................................................ 9  
ADVANCED OPERATIONS ...................................................................... 10  
SCAN ................................................................................................... 10  
Priority Scan.................................................................................. 10  
5-TONE SIGNALLING ......................................................................... 10  
DMS: ALPHANUMERIC 2-WAY PAGING FUNCTION ........................... 11  
KEY FUNCTIONS ................................................................................ 11  
SELCALL (SELECTIVE CALLING) .................................................... 12  
Transmitting .................................................................................. 12  
Receiving ....................................................................................... 12  
Identification Codes ..................................................................... 12  
STATUS MESSAGE ............................................................................ 13  
Transmitting .................................................................................. 13  
Receiving ....................................................................................... 13  
Reviewing Messages in the Queue Memory.............................. 14  
Automatic Status Response ........................................................ 14  
SHORT MESSAGES FEATURE ......................................................... 14  
GPS REPORT ...................................................................................... 14  
DTMF (DUAL TONE MULTI FREQUENCY) CALLS................................ 15  
MAKING A DTMF CALL...................................................................... 15  
DTMF SIGNALLING ............................................................................ 15  
STUN .................................................................................................... 15  
AUDIBLE USER FEEDBACK TONES ..................................................... 16  
ii  
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UNPACKING AND CHECKING EQUIPMENT  
Note: The following unpacking instructions are for use by your KENWOOD dealer, an authorized  
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  
are missing or have been damaged during shipment, file a claim with the carrier  
immediately.  
SUPPLIED ACCESSORIES  
Item  
Part Number  
E30-3438-XX  
J29-0627-XX  
B09-0235-XX  
Quantity  
DC power cable  
Mounting bracket  
Speaker jack cap  
Screw set:  
1
1
1
• Self-tapping screw (4 pieces)  
• Hex-headed screw with washer (4 pieces) N99-0395-XX  
• Spring washer (4 pieces)  
1
1
• Flat washer (4 pieces)  
Instruction manual  
B62-1438-XX  
DC power cable  
Mounting bracket  
Speaker jack cap  
Screw set  
1
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PREPARATION  
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.  
Note: The following preparation instructions are for use by your KENWOOD dealer, an authorized  
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:  
A 6 mm (1/4 inch) or larger electric drill.  
A 4.2 mm (5/32 inch) drill bit for the 5 x 16 mm self-tapping screws, and a 3.2 mm  
(1/8 inch) drill bit for the 4 x 16 mm self-tapping screws.  
Circle cutters.  
POWER CABLE CONNECTION  
THE TRANSCEIVER OPERATES IN 12 V NEGATIVE GROUND SYSTEMS ONLY! CHECK  
THE BATTERY POLARITY AND VOLTAGE OF THE VEHICLE BEFORE INSTALLING THE  
TRANSCEIVER.  
LOCATE THE POWER INPUT CONNECTOR AS CLOSE TO THE TRANSCEIVER AS  
POSSIBLE.  
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 firewall 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 a retaining band.  
Be sure to leave enough slack in the cables so the transceiver can be removed for  
servicing while keeping the power applied.  
2
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INSTALLING THE TRANSCEIVER  
FOR PASSENGER SAFETY, INSTALL THE TRANSCEIVER SECURELY, USING THE SUPPLIED  
MOUNTING BRACKET, SO THE TRANSCEIVER WILL NOT BREAK LOOSE IN THE EVENT OF A  
COLLISION.  
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.  
Flat washer  
Spring washer  
5 x 16 mm self-tapping screw  
Power input connector  
Mounting  
bracket  
Antenna  
connector  
Hex-headed screw  
DC power cable  
3
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ORIENTATION  
FRONT PANEL  
q
w
e
r
t
y
q
w
(Power) switch  
Press to switch the transceiver ON (or OFF).  
/
keys  
Press these keys to activate their programmable auxiliary functions  
{page 6}.  
e Display  
See page 5 for more information.  
r
/
keys  
Press these keys to activate their programmable auxiliary functions  
{page 6}.  
t Microphone jack  
Insert the microphone plug into this connector.  
y
, A, B, C, D , and CALL keys  
Press these keys to activate their programmable auxiliary functions  
{page 6}.  
4
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DISPLAY  
Indicator  
Description  
Displays the group and channel numbers as well as various  
dealer programmable functions.  
Appears when the selected channel is a priority channel.  
Appears when you press key programmed as Monitor.  
This icon is not used on this transceiver.  
Appears while you are in Scan mode.  
Appears when you activate the auxiliary function.  
This icon is not used on this transceiver.  
Appears when a message is stored in the queue memory.  
Flashes when you receive a new message.  
Displays the group and channel number or name (which your  
dealer can program with up to 10 characters) as well as  
received messages when using DMS. The left most display is  
used as an add indicator ( ) and the right most display is  
used for Selective Call ( ) and Scrambler ( _ ). The add  
indicator shows the channels that are not locked out of the  
scanning sequence. Selective Call and Scrambler are dealer  
programmable optional functions.  
REAR PANEL  
External  
speaker jack  
Power input  
connector  
Antenna connector  
5
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PROGRAMMABLE AUXILIARY FUNCTIONS  
Keys w, r, and y {page 4} can be programmed with the auxiliary functions  
listed in the following table. The keys can only be programmed with functions,  
depending on whether you are using a DTMF/2-Tone/DMS model or a 5-Tone  
model. Please contact your dealer for further details on these functions.  
DTMF/2-Tone/  
Function  
5-Tone model  
DMS model  
Yes  
Yes  
Yes  
Yes  
No  
Auto Dial  
Yes  
No  
Autodial Programming  
AUX A  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
AUX B  
Call 1  
Call 2  
No  
Call 3  
No  
Call 4  
No  
Call 5  
No  
Call 6  
No  
Channel Down  
Channel Entry  
Channel Name  
Channel Up  
Emergency Call  
Fixed Volume  
Group Down  
Group Up  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
Home Channel  
Horn Alert  
Key Lock  
Monitor  
Monitor Momentary  
None  
Operator Sel Tone  
Public Address  
Queue  
Radio Password  
Receive Entry  
6
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DTMF/2-Tone/  
DMS model  
Function  
5-Tone model  
Scan  
Yes  
Yes  
Yes  
No  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
Scan Delete/Add  
Scrambler  
Selcall Entry  
Selcall List  
No  
Selcall + Status Entry  
Selcall + Status List  
Send GPS  
No  
No  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
Shift  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Squelch Level  
Squelch Momentary  
Squelch Off  
Status Entry  
Status List  
No  
Talk Around  
Yes  
No  
Transfer  
Volume Down  
Volume Up  
Yes  
Yes  
Yes  
Yes  
Channel Up/ Down  
Group Up/ Down  
7
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BASIC OPERATIONS  
OPERATION OVERVIEW  
Your dealer can program your transceiver for DTMF/2-Tone/DMS signalling or  
5-Tone signalling.  
This transceiver can handle up to 250 groups with 250 channels in each group.  
Groups, channels, and their functions are programmed by your dealer.  
SWITCHING POWER ON/ OFF  
Press the switch to switch the transceiver ON (or OFF).  
ADJUSTING THE VOLUME  
Press the keys programmed as Volume Up and Volume Down to adjust the  
volume. Volume Up increases the volume; Volume Down decreases it.  
SELECTING A GROUP/ CHANNEL  
Select the desired group and channel using the keys programmed with the  
Group and Channel functions.  
MAKING A CALL  
Note: If the selected channel is programmed with QT (Quiet Talk) or DQT (Digital Quiet Talk), remove  
the microphone from the microphone hanger to disable QT or DQT, then listen to the channel to make  
sure nobody is talking on it. If the selected channel is not programmed with QT or DQT, simply listen to  
the channel to make sure nobody is talking on it; in this case, you need not remove the microphone from  
its hanger.  
1 Select your desired group and channel.  
If the channel is busy, wait until it becomes free.  
2 Press and hold the PTT switch, then speak into the microphone. Release the  
PTT switch to receive.  
For best sound quality at the receiving station, hold the microphone approximately  
3 ~ 4 cm (1.5 inches) from your mouth.  
3 When your conversation is finished, return the microphone to its hanger.  
RECEIVING A CALL  
1 Select your desired group and channel. (If the Scan function has been  
programmed, you can switch it ON or OFF as desired.)  
2 When you hear the dispatcher’s voice, readjust the volume as necessary.  
8
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TIME-OUT TIMER (TOT)  
The purpose of the Time-out Timer is to prevent any caller from using a channel  
for an extended period of time.  
If you continuously transmit for a period of time that exceeds the programmed  
time, the transceiver will stop transmitting and an alert tone will sound. To stop  
the tone, release the PTT switch.  
Your dealer can program the TOT time in the range of 30 seconds to 5 minutes.  
HORN ALERT  
If Horn Alert has been activated by your dealer, your vehicle horn or some other  
type of external alert, will sound when certain calls are received. This is a useful  
function when you are away from your vehicle.  
9
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ADVANCED OPERATIONS  
SCAN  
If the Scan function is programmed, groups or channels can be scanned by  
pressing the key programmed as Scan. When the Scan key is pressed, the  
SCN indicator and “-SCAN-” or the revert group/ channel number appear on the  
display. Scanning starts.  
Scan can be used as either Single Scan or Multi Scan. Single Scan monitors  
only the channels of a single group. Multi Scan monitors all channels of every  
group.  
When a call is received, scanning stops and the group and channel digits  
appear. Press the PTT switch and speak into the microphone to respond to the  
call. The transceiver will continue scanning after an adjustable time delay if the  
PTT switch is released and no further signal is received.  
When the displayed group is not locked out of the scanning sequence, the add  
indicator ( ) will appear on the display.  
Priority Scan  
The priority channel must be programmed in order for Priority Scan to  
function.  
The transceiver will automatically change to the priority channel when a signal  
is received on it, even if a signal is being received on a normal channel.  
The  
indicator appears when the displayed channel is the priority channel.  
5-TONE SIGNALLING  
5-Tone Signalling is either activated or deactivated by your dealer.  
5-Tone Signalling only opens the squelch when the transceiver receives five  
tones corresponding to those set up in your transceiver. When the squelch  
opens, you will be able to hear the caller without any further action.  
After a correct 5-Tone signal is received and the squelch opens, pressing the key  
programmed as Monitor will cancel the connection.  
If your dealer programmed Transpond for 5-Tone Signalling, your transceiver will  
automatically send an acknowledgment signal to stations that called you with the  
correct signal.  
If your dealer programmed Tone Alert for 5-Tone Signalling, your transceiver will  
emit a beep when the correct signal is received.  
Note: This transceiver is also capable of decoding 2-Tone signals.  
10  
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DMS: ALPHANUMERIC 2-WAY PAGING FUNCTION  
DMS (Digital Message System) is an Alphanumeric 2-way Paging Function, and  
is a protocol owned by KENWOOD Corporation. DMS enables a variety of  
paging functions on your transceiver, some of which depend on dealer  
programming.  
KEY FUNCTIONS  
Normal Operating Mode  
Press Selcall  
Entry, Selcall  
List, Selcall +  
Status Entry,  
Selcall +  
Status List,  
or receive a  
selcall  
Press Queue  
or receive a  
new message  
Press  
any  
Press  
any  
key 2  
key 2  
Press Call  
or  
Selcall Mode 1  
Status Mode  
Queue Mode  
Press Selcall Entry, Selcall List, Selcall + Status Entry, Selcall + Status List, or  
Queue to change the transceiver mode as shown in the diagram above.  
1
Press the PTT switch to initiate a call.  
Use the DTMF keypad to enter Selcall or Status numbers.  
Depending on how your dealer programmed the transceiver, Selcall Mode may be skipped or the  
transceiver may exit Selcall Mode automatically (as shown by the dash arrow). When you enter  
Selcall Mode after receiving a selcall, the transceiver does not enter Status Mode.  
2
Depending on how your dealer programmed the transceiver, the transceiver may exit these modes  
automatically, rather than by pressing a key.  
11  
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SELCALL (SELECTIVE CALLING)  
A Selcall is a voice call to a particular station or to a group of stations.  
Transmitting  
1 Select your desired group and channel.  
2 Press the key programmed as Selcall Entry or Selcall List to enter  
Selcall Mode.  
3 a) If you pressed Selcall Entry and Manual Dial is enabled, enter the ID of  
the station you want to call by using the microphone keypad. (Press # to  
erase an incorrect digit.)  
b) If you pressed Selcall List, use the  
only) to select your desired ID.  
/
keys (right side keys  
4 Press the PTT switch and begin your conversation.  
Receiving  
An alert tone will sound, the transceiver will automatically enter Selcall Mode,  
and the calling station’s ID will appear when a Selcall is received.  
To respond to the call, press the PTT switch and speak into the microphone.  
Identification Codes  
An ID code is a combination of a 3-digit Fleet number and a 4-digit ID  
number. Each transceiver must have its own Fleet and ID number.  
Enter a Fleet number (100 ~ 349) to make a fleet call.  
Enter an ID number (1000 ~ 4999) to make an individual call in your fleet.  
Enter a Group ID (which is programmed in the FPU) to make a group call.  
Enter a Fleet number followed by an ID number to make an individual call in your  
desired fleet (Inter-fleet call).  
Select “ALL” Fleet and “ALL” ID to make a call to all units (Broadcast call).  
Select “ALL” Fleet and enter an ID number to make a call to the selected ID in all  
fleets (Supervisor call).  
Note:  
Broadcast and Supervisor calls are programmed functions that cannot be made with a keypad.  
The ID range may be limited by programming.  
12  
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STATUS MESSAGE  
You can send and receive 2-digit Status messages (10 ~ 79) which may be  
decided in your talk group. Messages can contain up to 16 alphanumeric  
characters.  
A maximum of 15 received messages can be stored in the queue memory of  
your transceiver. These saved messages can be reviewed after reception. If the  
queue memory is full, the oldest message will be erased when a new message is  
received. The mail icon ( ) lights when a message is stored in the queue  
memory.  
Note: All stored messages will be cleared when the transceiver power is turned OFF.  
Transmitting  
1 Select your desired group and channel.  
2 Press the key programmed as Selcall + Status Entry or Selcall + Status  
List to enter Selcall Mode.  
3 a) If you pressed Selcall + Status Entry and Manual Dial is enabled,  
enter the ID of the station you want to call by using the microphone  
keypad. (Press # to erase an incorrect digit.)  
b) If you pressed Selcall + Status List, use the  
keys only) to select your desired ID.  
/
keys (right side  
4 Press or the key programmed as Call (1 ~ 6) to enter Status Mode.  
5 a) If you pressed Selcall + Status Entry and Manual Dial is enabled,  
enter the status you want to transmit by using the microphone keypad.  
(Press # to erase an incorrect digit.)  
b) If you pressed Selcall + Status List, use the  
keys only) to select your desired status.  
/
keys (right side  
6 Press the PTT switch to initiate the Status call.  
“COMPLETE” is displayed when the call has been successfully transmitted.  
Receiving  
The mail icon ( ) will flash.  
The Queue Mode status appears.  
Press any key or wait until the pre-programmed timer expires to return to  
Normal Operation Mode.  
13  
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Reviewing Messages in the Queue Memory  
1 Press the key programmed as Queue to enter Queue Mode.  
The last received message is displayed with the message number.  
2 Use the  
/
want to view, if more than one message is stored in the queue memory.  
keys (right side keys only) to select the message you  
3 Press the D or 6 key to cycle through the message, the caller’s ID, and  
the channel which received the message. Press the C or 4 key to toggle  
between the numeric display and the message display.  
4 To erase the message, press and hold the D key for approximately  
1 second, or press the microphone # key.  
Automatic Status Response  
If you pre-select a status number and then leave the transceier in Status  
Mode, the transceiver will automatically respond with that status number  
when a request from the base station is received.  
SHORT MESSAGES FEATURE  
Received short messages (up to a maximum of 48 characters) are displayed in  
the same way as Status messages {page 13}.  
GPS REPORT  
If a GPS unit (NMEA-0183 format) is installed on the transceiver and the Send  
GPS function is programmed onto a key by your dealer, you can press the  
programmed key to send your location data.  
14  
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DTMF (DUAL TONE MULTI FREQUENCY) CALLS  
MAKING A DTMF CALL  
Note: To make a DTMF call, you must have an optional microphone with a DTMF keypad. Ask your  
dealer for more information.  
There are two methods of making DTMF calls:  
Manual dialing:  
1 Press and hold the PTT switch.  
2 Enter the desired digits using the microphone keypad.  
The corresponding DTMF tones sound each time you press a key.  
If you release the PTT switch, transmit mode will end, even if the complete number  
has not been sent.  
Store and sending:  
1 Enter the desired digits using the microphone keypad.  
The digits appear on the display as you enter them.  
2 After entering the complete number, press the key.  
The DTMF code is transmitted after pressing the key.  
Note:  
You can only store up to 16 digits before sending. Entering more than 16 digits will cause an error  
tone to sound.  
If you switch the power OFF before sending the number, the number will be cleared from memory.  
DTMF SIGNALLING  
Your dealer can program a group with a DTMF signalling code. When you  
receive a call with a code that matches yours, the signalling indicator will flash  
and a tone will sound. Squelch opens and you will hear the call.  
Squelch will close when you receive a call with a code that matches your  
signalling reset code.  
When making a call on a group programmed with a DTMF signalling code, the  
signalling indicator will light and the squelch will open.  
STUN  
Depending on how your dealer programs your transceiver, when you receive a  
call containing a Stun code, either your transceiver will be disabled temporarily or  
permanently. When disabled temporarily, a tone will sound and “LOCK 2” will  
appear on the display. When disabled permanently, a tone will sound and  
“ERROR” will appear on the display.  
Temporarily disabled transceivers are re-enabled when you receive a call with a  
Stun cancel code.  
15  
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AUDIBLE USER FEEDBACK TONES  
The transceiver emits various tones to indicate the transceiver’s operating status.  
Contact your dealer for further information on these tones:  
Alert  
DMS Signalling Decode Alert Tone  
Group Call  
Individual Call  
Key Input Error  
Key Press [A]  
Key Press [B]  
Key Press [C]  
Power On  
Pre Alert  
Programmable Alert Tone  
Roll Over  
Transpond  
Warning  
16  
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