36
TK-863G
ADJUSTMENT
Test Mode
■
Test Mode Operating Features
This transceiver has a test mode.
To enter test mode,
press [SCN] key and turn power on. Hold [SCN] key un-
til test channel No. and test signalling No. appears on
LCD.
Test mode can be inhibited by programming. To exit
test mode, switch the power on again. The following func-
tions are available in test mode.
• Controls
[PTT]
Used when making a transmission.
[MON]
Monitor on and off.
[SCN]
Sets to the tuning mode.
[A]
Function on.
[D/A]
RF power high and low.
[ ]
Changes signalling.
[ ]
Changes wide and narrow
[
/
]
Changes channel.
[Volume
/
]
Volume up/down.
• LCD indicator
“SCN”
Unused.
“AUX”
Lights at RF power low.
“MON”
Lights at monitor on.
“Right side dot” Lights at narrow.
• LED indicator
Red LED
Lights during transmission.
Green LED
Lights when there is a carrier.
■
Frequency and Signalling
The set has been adjusted for the frequencies shown in
the following table. When required, re-adjust them follow-
ing the adjustment procedure to obtain the frequencies you
want in actual operation.
• Frequency (MHz)
Channel No.
RX
TX
1 (Center)
470.050
470.100
2 (Low)
450.050
450.100
3 (High)
489.950
489.900
4
470.000
470.000
5
470.200
470.200
6
470.400
470.400
7~16
–
–
• Signalling
No.
Decode
Encode
1
None
None
2
None
100Hz square wave
3
LTR data
LTR data
4
QT 67.0Hz
QT 67.0Hz
5
QT 151.4Hz
QT 151.4Hz
6
QT 210.7Hz
QT 210.7Hz
7
QT 250.3Hz
QT 250.3Hz
8
DQT D023N
DQT D023N
9
DQT D754I
DQT D754I
10
None
DTMF tone 9
• Preparations for tuning the transceiver
Before attempting to tune the transceiver, connect the
unit to a suitable power supply.
Whenever the transmitter is turned, the unit must be
connected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
4
Ω
dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during tuning.
• Transceiver tuning
(To place transceiver in tuning mode)
Channel appears on LCD. Set channel according to tun-
ing requirements.
LCD display (Test mode)
1
1
–
Channel No.
Signalling No.
Press [SCN], now in tuning mode. Use [D/A] button to
write tuning data through tuning modes, and [
/
] to ad-
just tuning requirements (1 to 256 appears on LCD).
Use [ ] button to select the adjustment item through
tuning modes. Use [A] button to adjust 3-point or 5-point
tuning, and use [ ] button to switch between wide/narrow.
LCD display (Tuning mode)
F R E Q
1
Adjustment
(1~256)
Adjustment item
.
.
.
.
.
.
Point tuning indicator
Wide/Narrow indicator
Off : Wide
On : Narrow