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TK-868HG
Item
Condition
6. Modulation
1) Set test mode
balanced
MIC input : OFF
• Wide
Select "BAL" in tuning mode. meter
"_.BAL"
Deviation meter filter
LPF : 3kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
Adjust [ *** ]
2) "_.B.A.L"
PTT : ON
Adjust [ *** ]
3) "_.B.A.L._."
PTT : ON
Adjust [ *** ]
• Narrow
4) "_BAL *** ."
PTT : ON
Adjust [ *** ]
7. Maximum
1) Set test mode
deviation
Connect AG to the MIC
• Wide
terminal.
Select "MAX" in tuning mode.
"_.MAX"
AG : 1kHz/50mV
Deviation meter filter
LPF : 15kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
Adjust [ *** ]
2) "_.M.A.X"
PTT : ON
Adjust [ *** ]
3) "_.M.A.X._."
PTT : ON
Adjust [ *** ]
• Narrow
4) "_MAX *** ."
PTT : ON
Adjust [ *** ]
8. MIC
1) Set test mode
seisitivity
CH : CH1 - Sig1
check
AG : 1kHz/5mV
PTT : ON
Adjust [ *** ]
9. QT deviation 1) Set test mode
• Wide
Select "FQT" in tuning mode.
"_.FQT"
Deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
Adjust [ *** ]
28
25
ADJUSTMENT
Measurement
Test-
Unit
Terminal
Unit
equipment
Power meter Rear
ANT
Front
Deviation
panel
panel
Oscilloscope
AF VTVM Front
MIC
AG
panel
Front
panel
Adjustment
Parts
Method
CH /
Make the de-
(Wide/Narrow)
modulation
waveform neat.
± 50Hz (Wide/Narrow)
3.95kHz (Wide)
1.95kHz (Narrow)
(According to the
larger +, –)
± 1.5kHz±0.05kHz (Narrow)
Check
± 3kHz±0.2kHz (Wide)
± 50Hz (Wide/Narrow)
CH /
0.75kHz
Specifications/Remarks
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