Kenwood TK-940 Horn Alert, Non-continuous, Continuous, System Scan Type Fix system scan

OPERATING FEATURES

3-24. Horn Alert

Horn alert can be set to on or off for each group Elther cont~nuousor non-continuous operation can be set by the FPU The horn alert port IS enabled or d~sabledas follows,

Enable

D~sable

.Non-continuous

If Horn alert has been set to YES for a group and DEC ID/OT/DOT matches, the horn alert port, HOR, is turned on and off as follows;

HOR

4

The timing when the fixed LTR ID matches is as follows;

The group for which the optional signaling is set works by ANDing the decode ID with the optional signaling.

Continuous

Reset with the AUX key or by setting offhook

IDIQTIDQT match

1

3-25. System Scan Type Fix system scan

AII the set systems except locied-out ones are scanned If the DELIADD feature IS asslgned t o the AUX key, ~tcan be controlled from the front panel

List type scan

A scan list can be set for each system.

The list t o be scanned can be changed by changing the display system.

If many systems have been set, the scan speed can
be increased by narrowing the systems to be scanned
with scan lists.
3-26. Data Port
The following ports are available for external		B
equipment when the KCT-I9 is used.
Terminal functions (Digital)
HOR	Horn alert port. For details of operations see
	the Horn alert section.
SO	When a carrier is received, 5V is output. When
	the carrier disappears, OV returns.
LOK	Goes low (OV)when communication becomes
	possible.
	I ) When a repeater is linked by LTR.
	2)When transmission is started by pressing
	PTT when using LTR in TA mode.
	3 ) When transmission is started by pressing
-	PTT in the conventional mode.
DTC	When it goes low (OV), the last group in the
	system is gone to. When it goes high (5V),the
	original group returns,
TXD	Serial communicat~onoutput from the internal
	MPU to external equipment.

RXD Serial communication input from external equipment to the internal NIPU.