Kenwood TK-780 Service Manual page 10

TK-780
Com port
• Com 0
This function selects the external serila port function at
the microphone jack (TXD/RXD). PC programming is ac-
cepted, regardless of this setting.
• Com 1
This function selects the external COM1 pin serial port
function on the KCT-19 accessory jack. If the transceiver is
installed GPS unit, this function must be set up in "GPS".
• Com 2
This function selects the external COM2 pin serial port
function on the KCT-19 accessory (RXD2 (AHK)/TXD2 (PTT))
and the external serial port function (TXD2/RXD2).
4. Details of Features
Time-out timer
The time-out timer can be programmed off or in 30 sec-
onds increments from 30 seconds to five minutes. If the
transmitter is keyed continuously for longer than the pro-
grammed time, the transmitter is disabled and a warning
tone sounds while the PTT button is held down. The alert
tone stops when the PTT button is released.
Sub LCD display
You can use 3-digit the display to display the channel
number or group number. It is useful when the main (12-
digit) display indicates group or channel name or other func-
tions.
Selective call alert LED
You can select whether or not the LED on the transceiver
flashes in an orange color when selective call was occurred.
PTT ID
PTT ID provides a DTMF or FFSK (DMS : Fleet-ID) ANI to
be sent with every time PTT (beginning of transmission, end
of transmission, or both).
You can program PTT ID "on" or "off" for each channel.
The contents of ID are programmed for each transceiver.
The timing that the transceiver sends ID is program-
mable.
BOT : DTMF ID (BOT)/FFSK ID is sent on beginning of
transmission.
EOT : DTMF ID (EOT)/FFSK ID is sent on end of transmis-
sion.
Both : DTMF ID (BOT)/FFSK ID is sent on beginning of
transmission and DTMF ID (EOT)/FFSK ID is sent on end
of transmission.
10
OPERATING FEATURES
use the transceiver unless enter the correct password.
the key, and [CALL] key.
moving and replacing the microphone on the hook has no
effect for decoding QT/DQT and option signalling.
the timer expires, the radio will automatically turn off. The
timer will be reset if the ignition is turned on and off.
tion-line to the 9-pin connector which is located at the rear of
the radio.
on the radio.
ecutes the encode script defined in KPG-60D. After the en-
code script is finished, the transceiver turns off itself.
DTMF/5-tone while you are away from your transceiver, you
will be alerted by the vehicle horn or some other type of
external alert. To turn horn alert function on, press the [Horn
Alert] key.
by the FPU. The horn alert port is enabled or disabled as
follows;
• Non-continuous (Pulse)
• Continuous
the FPU or setting off hook.
Radio password
When the password is set in the transceiver, user can not
This code can be up to 6 digits from 0 to 9 and input with
Off hook decode
If the Off hook decode function has been enabled, re-
Timed power off
This function works as "Automatic Power Switch Off".
Timed power off timer starts from the ignition-off. After
This function requires ignition-sense. Connect the igni-
After the timer expires, press the power switch to turn
If you configured the 5-tone model, the transceiver ex-
Horn alert
If you are called from the base station using 2-tone/
Either continuous or non-continuous operation can be set
Off hook horn alert Hook off
Enable
Disable
The horn alert port, HOR, is turned on and off as follows;
0.5s 0.5s 0.5s 0.5s 0.5s
Horn alert can be reset by setting an expiration time from
Hook on
Yes Yes
No Yes
HOR