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TK-3180
23
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment
Unit Terminal PartsUnit Method
ADJUSTMENT
1. Sensitivity 1) Adj item : [H SENS1] SSG Panel ANT Panel
Selector
Write the value to “150”
fixed value knob
write 2) Adj item : [L SENS2] → AF VTVM
Universal
Write the value as followings
K,K3 [L’ SENS2] → [C SENS2] →
Oscilloscope
connector
[L SENS2] : “1”
[H’ SENS2] [L’ SENS2] : “27”
[C SENS2] : “49”
[H’ SENS2] : “63”
K2,K4 1) Adj item : [H’ SENS1]→ Write the value as followings
[H SENS1] [H’ SENS1] : “100”
[H SENS1] : “256”
2) Adj item : [L SENS2] → Write the value as followings
[L’ SENS2] → [C SENS2] [L SENS2] : “1”
[L’ SENS2] : “20”
[C SENS2] : “40”
2. Sensitivity 2 1) Adj item : [H SENS2] Adjust for Rotate the selector knob and
adjust Adjust : [✳✳✳] 12dB SINAD increase the adjustment value
K,K3 SSG output :
–119dBm (0.25µV)
starting from “1” to obtain
(MOD : 1kHz/±1.5kHz) SINAD 12dB.
K2,K4 1) Adj item : [H SENS2]
[H’ SENS2]
Adjust : [✳✳✳]
SSG output :
–119dBm (0.25µV)
(MOD : 1kHz/±1.5kHz)
3. Sensitivity 1 1) Adj item : [SENS1] Rotate the selector knob and
adjust Adjust : [✳✳✳]
decrease the adjustment value
K,K3 2) Adj item : [L SENS1] → starting from “256” to obtain
[L’ SENS1] → [C SENS1] → SINAD 12dB.
[H’ SENS1]
Adjust : [✳✳✳]
SSG output :
–119dBm (0.25µV)
(MOD : 1kHz/±1.5kHz)
K2,K4 1) Adj item : [SENS1]
Adjust : [✳✳✳]
2) Adj item : [L SENS1] →
[L’ SENS1] → [C SENS1]
SSG output :
–119dBm (0.25µV)
(MOD : 1kHz/±1.5kHz)
4. Sensitivity [Panel test mode] Check 12dB SINAD or more
check 1) CH-Sig : 1-1
SSG output
Wide 5k : –118dBm (0.28µV)
(MOD : 1kHz/±3kHz)
Narrow : –118dBm (0.28µV)
(MOD : 1kHz/±1.5kHz)
5. Squelch 1) Adj item : [n SQL] Panel
Selector
After input signal After adjusting SQL, check
(Preset) Adjust : [✳✳✳] knob from SSG, press [B] SQL open/close.
adjust SSG output :
–118dBm (0.28µV)
key. That numeric SSG –118dBm : Open
• Narrow (MOD : 1kHz/±1.5kHz) will be stored in SSG OFF : Close
memory. [nC SQL] MOD 1kHz/±1.5kHz
2) Adj item : [nL SQL] → [sC SQL] MOD 1kHz/±2.4kHz
[nC SQL] → [nH SQL] [wC SQL] MOD 1kHz/±3.0kHz
Adjust : [✳✳✳]
Receiver Section (K market model skips adjustment of Wide 4k.)