TK-7180
44
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit Method
ADJUSTMENT
4. Low RSSI 1) Adj item : [n LRSSI] SSG Rear ANT After input signal The following erroneous
adjust Adjust : [✳✳✳] panel from SSG, press [B] performance may occur if any
• Narrow SSG output :
12dB SINAD level
AF VTVM EXT. SP key. That numeric irregular RSSI adjustment,
(MOD : 1kHz/±1.5kHz)
Oscilloscope
will be stored in such as pressing the [B] key
memory. assigned for determination
2) Adj item : [nL LRSSI] → when it is the ANT OPEN
[nC LRSSI] → [nH LRSSI] state, is performed.
Adjust : [✳✳✳] • The antenna bar ( ) cannot
appear correctly.
• Wide 4k 3) Adj item : [s LRSSI] • Scan does not stop.
Adjust : [✳✳✳]
SSG output :
12dB SINAD level
(MOD : 1kHz/±2.4kHz)
4) Adj item : [sL LRSSI] →
[sC LRSSI] → [sH LRSSI]
Adjust : [✳✳✳]
• Wide 5k 5) Adj item : [w LRSSI]
Adjust : [✳✳✳]
SSG output :
12dB SINAD level
(MOD : 1kHz/±3.0kHz)
6) Adj item : [wL LRSSI] →
[wC LRSSI] → [wH LRSSI]
Adjust : [✳✳✳]
5. Squelch 1) Adj item : [n SQLT] After input signal After adjusting SQL, check
(Tight) Adjust : [✳✳✳]from SSG, press [B] SQL open/close.
adjust SSG output key. That numeric SSG 12dB SINAD level +10dB
• Narrow : 12dB SINAD+5dB level will be stored in : Open
(MOD : 1kHz/±1.5kHz) memory. SSG 12dB SINAD level
: Close
2) Adj item : [nL SQLT] →
[nC SQLT] MOD 1kHz/±1.5kHz
[nC SQLT] → [nH SQLT]
[sC SQLT] MOD 1kHz/±2.4kHz
Adjust : [✳✳✳]
[wC SQLT] MOD 1kHz/±3.0kHz
• Wide 4k 3) Adj item : [s SQLT]
Adjust : [✳✳✳]
SSG output
: 12dB SINAD+5dB level
(MOD : 1kHz/±2.4kHz)
4) Adj item : [sL SQLT] →
[sC SQLT] → [sH SQLT]
Adjust : [✳✳✳]
• Wide 5k 5) Adj item : [w SQLT]
Adjust : [✳✳✳]
SSG output
: 12dB SINAD+5dB level
(MOD : 1kHz/±3.0kHz)
6) Adj item : [wL SQLT] →
[wC SQLT] → [wH SQLT]
Adjust : [✳✳✳]