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TK-868G
Signalling
Signalling No.
1
None
2
None
3
QT 67.0Hz
4
QT 151.4Hz
5
QT 210.7Hz
6
QT 250.3Hz
7
DQT D023N
8
DQT D754I
9
DTMF DEC, (159D)
10
None
11
2-tone 321.7/928.1Hz
12
Single tone 1200Hz
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 con-
nected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
4
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
Channel No.
Press [SCN], now in tuning mode. Use [D/A] button to
write tuning data through tuning modes, and [CH
adjust tuning requirements (1 to 256 appears on LCD).
Use [ ] button to select the adjustment item through tun-
ing modes. Use [A] button to adjust 3-point or 5-point tun-
ing, and use [ ] button to switch between wide/narrow.
LCD display (Tuning mode)
Adjustment item
F
.
R
.
E Q
.
Point tuning indicator
20
ADJUSTMENT /
RX
TX
None
100Hz square
QT 67.0Hz
QT 151.4Hz
QT 210.7Hz
QT 250.3Hz
DQT D023N
DQT D754I
DTMF ENC, (159D)
DTMF tone (9)
None
Single tone 1200Hz
–
1
Signalling No.
Wide/Narrow indicator
Off : Wide
On : Narrow
.
.
1
.
Adjustment
(1~256)
/
] to
. 4 - 3
.
`
.
.
.
.
.
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