Public Address (Pa); Speaker Internal/External (Sp); Channel Name (An); Intercom (Ic) - Kenwood TK-790 Service Manual

10. Public Address (PA)

Public Address amplifies the microphone audio, and out-
puts it through a PA speaker. PA is activated by pressing the
[PA] Key. A confirmation tone sounds, and the display
shows PUBLIC ADDRESS (or PA). PA can be activated at
anytime (scanning or non-scanning).
The RADIO continues to scan & receive calls while in PA
mode. Pressing PTT activates PA, and will override an in-
coming call at anytime ; however, no RADIO transmission
takes place. If [PA] is pressed again, a confirmation tone will
sound, the display will return to the normal channel or
SCAN display, and the PA function will turn off.

11. Speaker Internal/External (SP)

SP amplifies the received audio from the RADIO and out-
puts it through a PA speaker. SP is activated by pressing the
[SP] Key. A confirmation tone sounds and the SP icon is dis-
played. SP can be activated at anytime (scanning or non-
scanning).
The RADIO transmits and operates normally while SP is
activated, but all received calls will be output through the PA
speaker. If [SP] is pressed again, a confirmation tone
sounds, the SP icon goes off and the SP function will turn
off.

12. Channel Name (AN)

This function switches the 13-segment display (BASIC
Panel) or DOT MATRIX (L) display (FULL Panel) between al-
phanumeric and Group-Channel number.
If you want to change from alphanumeric display to chan-
nel display, press [AN] Key. A confirmation tone sounds, and
the alphanumeric display changes to the channel display.
If [AN] is pressed again, a confirmation tone sounds, and
the channel display changes back to the alphanumeric dis-
play.

13. Intercom (IC)

; Dual Head Configuration only
Intercom (IC) allows one control head operator to talk to
the another control head operator. IC mode is activated by
pressing the [IC] Key. A confirmation tone sounds and
the display shows INTERCOM. IC can be activated at any-
time (scanning or non-scanning).
The RADIO continues to scan & receive calls while in IC
mode. Pressing PTT activates IC and will override an incom-
ing call at anytime ; however, no RADIO transmission takes
place. If [IC] is pressed again, a confirmation tone sounds,
the display returns to the normal channel or SCAN display,
and the IC function will turn off.
14. Home Channel (HC)
This feature allows the radio operator to immediately se-
lect a pre-determined "Home Channel" by pressing the [HC]
Key. HC can be activated as follows.
OPERATING FEATURES
press [HC] once
press [HC] again
press [HC] once
press [HC] again
15. Squelch Level (SQL)
the squelch threshold in 16 steps (Level 0~15) via the front
panel controls. To adjust the squelch level:
(1) Press the [SQL] Key. A confirmation tone sounds, and
(2) Change the squelch level by pressing [ ] and [ ] Keys,
(3) Press [SQL] again. A confirmation tone sounds, the dis-
16. Operator Selectable Tone (OST)
set decode QT/DQT, encode QT/DQT. You can select Dec/
Enc OFF or from up to 16 decode/encode pairs (Pair No.
1~16) programmed by the FPU. To select the Dec/Enc pairs:
(1) Press the [OST] Key. A confirmation tone sounds, and
(2) When the [OST] Key is held down, a confirmation tone
(3) Select the Dec/Enc pair by pressing the [ ] and [
(4) Press [OST] again, a confirmation tone sounds, the dis-
TK-790/
CASE1 : HC has been set as "HC (Fixed)"
Non-Scan
Mode
Change to Home Channel
No effect
CASE2 : HC has been set as "HC (Toggle)"
Non-Scan
Mode
Change to Home Channel
Return to
current channel
This function allows the radio operator to manually adjust
the RADIO enters Squelch Level Adjust Mode. In this
mode, all signallings are canceled and audio is unmuted.
The display shows SQUELCH XX (or SQL XX). (XX=
squelch level)
or rotating the UP/DOWN Knob.
play returns to the normal channel, the level setting is
memorized, and Squelch Level Adjust Mode will turn off.
* This feature can be initiated when the RADIO is not in
scanning mode.
This function allows the radio operator to change the pre-
the display shows the OST Name which is memorized in
the channel for 2 seconds. The "OST" icon lights, and
OST is enabled.
Press [OST] again, and the OST icon goes off and OST is
disabled.
sounds and the RADIO enters OST Select Mode.
Keys, or rotating the UP/DOWN Knob. The display shows
TONE XX (XX=Dec/Enc pair number) or the OST Name.
play returns to the normal channel, the pair is memorized
and OST Mode will turn off.
* You can select a Dec/Enc pair on each channel.
( B ) /H ( B
Scanning Scan
temporary
stopping
Scanning Scan
temporary
stopping
Change to Return to
Revert Channel current channel
]
)
9