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