ADJUSTMENT
Measurement
Test-
equipment Unit Terminal
Adjustment
Unit Parts Method Specifications/RemarksConditionItem
22
TK-860G/862G
2) “S.Q.L.3” SSG Rear ANT Front
CH /
Adjust to the
Adjust [***] panel panel squelch threshold
SSG freq' AF VTVM ACC point.
: 498.550MHz K2 Distortion (EXT.SP)
: 502.550MHz M2 meter
3) “S.Q.L.3._.”
Oscilloscope
Adjust [***]AG
SSG freq'
: 511.950MHz K2
: 519.950MHz M2
• Narrow 4) “SQL3***.”
Adjust [***]
SSG freq'
: 498.550MHz K2
: 502.550MHz M2
4. Squelch 9 1) Set test mode
• Wide
Select “SQL9” in tuning mode.
“S.QL9”
Adjust [***]
SSG freq' : 485.050MHz
SSG output : –115dBm/0.4µV
SSG MOD : 3kHz (Wide)
1.5kHz (Narrow)
2) “S.Q.L.9”
Adjust [***]
SSG freq'
: 498.550MHz K2
: 502.550MHz M2
3) “S.Q.L.9._.”
Adjust [***]
SSG freq'
: 511.950MHz K2
: 519.950MHz M2
• Narrow 4) “SQL9***.”
Adjust [***]
SSG freq'
: 498.550MHz K2
: 502.550MHz M2
5. Squelch 1) Set test mode Check Squelch must be opened.
check CH : CH1 - Sig1~CH3 - Sig1 (Wide/Narrow)
SSG output :
–116dBm/0.35µV
2) SSG output : OFF Squelch must be closed.
(Wide/Narrow)
6. QT check 1) Set test mode
CH : CH1 - Sig4
SSG MOD
INT : 3kHz (Wide)
1.5kHz (Narrow)
EXT : 151.4Hz
SSG system MOD DEV
: ±3.75kHz (Wide)
: ±1.85kHz (Narrow)
SSG output :
10dB SINAD level
2) CH : CH1 - Sig3 Check Squelch must be opened.
CH1 - Sig5
CH1 - Sig6