Kenwood TK-880 Service Manual page 5

• Message mode
Press this key to enter the message mode. (See "Alpha-
numeric Two-way Paging Function" for details)
• Memory
This key allows DTMF memory data to be recalled; up to
32 memories each with a memory dial of up to 16 digits and
an A/N of up to 10 digits per memory.
• Monitor
Used to release signalling or squelch when operating as a
conventional. It is also used to reset option signalling.
• Operator selectable tone (Conventional format)
This key switches the pre-set decode QT/DQT and en-
code QT/DQT to OST (Operator Selectable Tone) tone pair.
Press this key, the transceiver enters to OST select
mode. In this mode, the display shows "OFF" and the op-
erator can select one of the OST tone pair using the group
up/down key. The display shows "TONE
**
pair No. is selected.
Press OST key again, the transceiver exits from the OST
select mode, and returns to the group/channel mode with
the handset indicator ( ). The handset indicator ( ) means
that the OST tone pair is selected. OST tone pair number or
OFF can be memorized for each channel.
16 kinds of tone pair for OST can be programmed by
KPG-49D. OST is useful to access the repeater with same
radio frequency and different tone (QT/DQT).
• Public address
Public address amplifies the microphone audio, and out-
puts it through a PA speaker. PA is activated by pressing
this key. A confirmation tone sounds, and the display shows
"PUBLIC ADRS". 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 this key 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.
• Redial
If you press this key when the system/group (Trunking
format) or group/channel (Conventional format) is displayed,
the last transmitted DTMF code will appear on the display.
Pressing the PTT switch at this time will transmit the dis-
played DTMF code.
• Scan
Press this key starts scanning. Pressing this key stops
scanning.
OPERATING FEATURES
• Scan del/add
1) Trunking format
during system scan. Each pressing of the key (to ON)
toggles between lockout and lock. The scan routine is
started when on lock. The DEL indicator flashes when the
system is on lockout.
2) Conventional format
tween "Delete" and "Add".
"Delete" channel is not contained. In the scan mode, this
key switches the channnel delete or add temporarily.
• Scan temporary delete (Trunking format)
If you press this key when scan is stopped (when a call is
being received from another station), the system is tempo-
rarily deleted and scanning restarts.
**
" and tone
Type System Scan".
• Scrambler
underscore ("_") appears at the extreme right of the LCD
display when scrambler is active. Pressing this key changes
on/off of scramble operation. Press this key for 2 seconds
to enter scrambler code selection mode.
• Send GPS (Optional)
GPS data. (GPS receiver must be installed.)
• System up/down (Trunking format)
to be selected is incremented/decremented and repeats if
held for one second or longer.
• Talk around (Conventional format)
quency and the tone for transmission.
repeater). Press this key again, the talk around function
goes off.
• Telephone disconnect (Trunking format)
the telephone line).
• Volume up/down
decreased and repeats if held for 200ms or longer.
• None
Use this function when the transceiver is required to be
more simple operated.
Used to select whether system scan routines are used
This key switches the currently displayed channel be-
The "Add" channel contained in the scan sequence, and
This key is temporarily deleted a system being scanned.
This key operates even when "Scan Type" is set to "List
If a scrambler code (1 to 16) has been set in the FPU, an
Pressing this key causes the transceiver to send a single
When the key is pressed each time, the system number
Press this key, the transceiver uses the receive fre-
The operator can call the other party directory (without
Pressing this key ends an RIC connection (disconnects
When the key is pressed, the volume level is increased/
Sounds error operation beep, and no action will occur.
TK-880/H
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