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TH-K2AT/K2E/K2ET
37
ADJUSTMENT
Item Condition
Measurement Adjustment
Specifications/
Test equipment Unit
Terminal
Unit
Parts Method
Remarks
Switch to Adjustment mode
and carry out the operations
for adjustment item D.
(Refer to page 29)
S-meter 3) LCD display: S1 SSG TX-RX ANT [MENU] Write
Frequency: 145.050MHz (A/3)
(E, E3)
Frequency: 146.050MHz
(K, K2, M, M2)
SSG: –120dBm (0.22uV)
4) LCD display: S9 [MENU] Write
Frequency: 145.050MHz
(E, E3)
Frequency: 146.050MHz
(K, K2, M, M2)
SSG: –105dBm (1.26uV)
4.Squelch Squelch level: 1
Check 1) Frequency: 145.050MHz SSG Check Open Squelch
(E, E3) Oscilloscope
Frequency: 146.050MHz Distortion meter
(K, K2, M, M2)
SSG output: –123dBm (0.158uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
2) SSG: OFF Close Squelch
5.S-meter 1) Frequency: 145.050MHz SSG Check Two segments
Check (E, E3) in S-meter
Frequency: 146.050MHz light.
(K, K2, M, M2) ■■
SSG output: –120dBm (0.22uV)
2)
SSG output: –105dBm (1.26uV)
All segments in
S-meter light.
■■■■■■■■■
6.Hum and 1) Frequency: 145.050MHz SSG TX-RX ANT
noise ratio (E, E3) Oscilloscope (A/3) SP
Check Frequency: 146.050MHz Distortion meter
(K, K2, M, M2) AF V.M
SSG output: –53dBm (501uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
AF Output: 0.63V/8Ω
AF V.M = 0dB
2) SSG DEV: OFF Check –38dB or less
7.
AF distortion
1) Frequency: 145.050MHz Check 5% or less
Check
(E, E3)
Frequency: 146.050MHz
(K, K2, M, M2)
SSG output: –53dBm (501uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
AF Output: 0.63V/8Ω