Minimum Volume; Dead Beat Disable (Dbd); Ani Board; Accessory Programmable Function Port (Pf Port) - Kenwood TK-790 Service Manual

TK-790/ ( B

33. Minimum Volume

When the Volume Knob is adjusted fully counterclock-
wise, the audio level is set to the Minimum Volume level
which is programmed by the FPU.

34. Dead Beat Disable (DBD)

If the RADIO receives a DBD Code (1~7digits), the RA-
DIO returns an acknowledgment signal automatically, and
transmission is disabled. This TX INHIBIT condition is
memorized.
If the RADIO receives a DBD Reset Code (DBD Code +
#), the RADIO returns an acknowledgment signal automati-
cally, and transmission is Enabled.

35. ANI Board

The ANI board contains functions which you can use. To
use the function, you select that function on the ANI board.
36. Accessory Programmable Function
Port (PF Port)
The RADIO has 13 PF Ports.
HEAD (12 pin) : PF Input Port 2, PF Output Port 2
DECK (Dsub 25 pin) : PF Input Port 5, PF Output Port 4
Each Port can be programmed with a function from next
Table.
36-1. PF Input Port
Open → OFF HOOK, Low → ON HOOK
External HOOK
CH Select A The Channel changes to Remote Channel
CH Select B 1~15. If CH Select A~D are set "H" or "Open",
CH Select C the channel is selected by using the [ ]/[ ]
CH Select D keys or UP/DOWN Knob. (User Channel)
Open → PTT OFF, Low → PTT ON
External PTT
Open → Scan OFF, Low → Scan ON
Scan
Open → Current Channel, Low → Home Channel
Home Channel
Open → LCD Backlight is controlled by [DIM],
Light Sense
Low → LCD Backlight is set "Low"
Open → Repeater inactive, Low → Repeater Active
Repeater SW
* Dual BAND configuration only
Open → Monitor OFF, Low → Monitor ON
External Monitor
12
) /H ( B )
OPERATING FEATURES
36-2. PF Output Port
Pressing [AUXA] once → Low, Pressing [A]
AUX A
[AUXA] again → OPEN-COLLECTOR
Pressing [AUXB] once → Low, Pressing [B]
AUX B
[AUXB] again → OPEN-COLLECTOR
Pressing [AUXC] once → Low, Pressing [C]
AUX C
[AUXC] again → OPEN-COLLECTOR
Receiving correct QT/DQT → Low, Not receiv-
TOR
ing correct QT/DQT → OPEN-COLLECTOR
BUSY → Low, Not BUSY → OPEN-COLLECTOR
COR
37. Timed Power Off
This function works as "Automatic Power Switch Off".
Timed Power Off timer starts from the ignition-off. After
the timer expires, the RADIO will automatically turn off. The
timer will be reset if the ignition is turned on and off.
This function requires ignition-sense. Connect the igni-
tion-line to the 9-pin connector which is located at the rear of
the RADIO.
After the timer expires, you can turn the transceiver on
again with 2 methods below.
1) Timed power off function (Default)
Press the power switch.
2) Ignition function & Timed power off function
Turn the ignition on.
38. Emergency
• Active tome
Automatic transmission period in the emergency mode.
• Interval Time
Interval time between the automatic tansmissions.
• Duration of Locator Tone 1
Duration of an alert tone before the automatic transmis-
sion is performed.
• Duration of Locator Tone 2
Duration of an alert tone after the automatic transmission
is performed.
• Emergency Channel Display
Setting for the display in the emergency mode.
The transceiver can be programmed to display "EMER-
GENCY" channel name when it is in emergency mode.
If you set to "off" by KPG-44D the transceiver shows
selected group/channel/status before entering to the emer-
gency mode however the transceiver is in an emergency
mode.