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TK-8180
43
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment
Unit Terminal PartsUnit Method
ADJUSTMENT
1. Sensitivity 1) Adj item : [SENS1] SSG Rear ANT Front [ ],[ ] Enter the following Note : After replacing the
adjust Adjust : [✳✳✳] panel panel adjustment values EEPROM (IC401) aline
2) Adj item : [L SENS1] → AF VTVM EXT. SP to the transceiver sensitivity.
[L’ SENS1] → [C SENS1] →
Oscilloscope
by pressing [ ] and
[H’ SENS1] → [H SENS1] [ ] keys.
Adjust : [✳✳✳] [L SENS1] : 70
[L’ SENS1] : 90
[C SENS1] : 115
[H’ SENS1] : 138
[H SENS1] : 164
After setting the
adjustment value,
press [B] key.
The adjustment
value will be stored
in memory.
2. Sensitivity [Panel test mode] Check 12dB SINAD or more
check 1) CH-Sig : 1-1
SSG output
Wide 5k : –116dBm (0.35µV)
(MOD : 1kHz/±3kHz)
Narrow : –116dBm (0.35µV)
(MOD : 1kHz/±1.5kHz)
3. Squelch 1) Adj item : [n SQL] After input signal After adjusting SQL, check
(Preset) Adjust : [✳✳✳] from SSG, press [B] SQL open/close.
adjust SSG output :
12dB SINAD level
key. That numeric SSG 12dB SINAD level + 4dB
• Narrow (MOD : 1kHz/±1.5kHz) will be stored in : Open
memory. SSG 12dB SINAD level – 6dB
2) Adj item : [nL SQL] → : Close
[nC SQL] → [nH SQL] [nC SQL] MOD 1kHz/±1.5kHz
Adjust : [✳✳✳] [sC SQL] MOD 1kHz/±2.4kHz
[wC SQL] MOD 1kHz/±3.0kHz
• Wide 4k 3) Adj item : [s SQL]
Adjust : [✳✳✳]
SSG output :
12dB SINAD level
(MOD : 1kHz/±2.4kHz)
4) Adj item : [sL SQL] →
[sC SQL] → [sH SQL]
Adjust : [✳✳✳]
• Wide 5k 5) Adj item : [w SQL]
Adjust : [✳✳✳]
SSG output :
12dB SINAD level
(MOD : 1kHz/±3.0kHz)
6) Adj item : [wL SQL] →
[wC SQL] → [wH SQL]
Adjust : [✳✳✳]
Receiver Section (K market model skips adjustment of Wide 4k)