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TH-K2AT/K2E/K2ET
38
ADJUSTMENT
Item Condition
Measurement Adjustment
Specifications/
Test equipment Unit
Terminal
Unit
Parts Method
Remarks
8.AF output 1) Frequency: 145.050MHz SSG TX-RX ANT Check
400mW or more
Check (E, E3) Oscilloscope (A/3) SP
Frequency: 146.050MHz Distortion meter
(K, K2, M, M2) AF V.M
SSG output: –53dBm (501uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
AF distortion: 10%
9.Current Squelch level: 5
Drain 1) Frequency: 145.050MHz SSG Check 80mA or less
Check (E, E3) Am meter
Frequency: 146.050MHz
(K, K2, M, M2)
SSG output: OFF
2) Frequency: 145.050MHz 400mA or less
(E, E3)
Frequency: 146.050MHz
(K, K2, M, M2)
SSG output: –53dBm (501uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
VOL knob: Max
Transmitter section
Item Condition
Measurement Adjustment
Specifications/
Test equipment Unit
Terminal
Unit
Parts Method
Remarks
1.
TX power
Write (Battery
terminal: 7.5V)
High power
Mid power
Battery terminal voltage:
7.5V
Switch to Adjustment mode
and carry out the operations
for adjustment item F.
(Refer to page 29)
1)LCD display: P7L,
Frequency: 144.000MHz
PTT: ON
2)LCD display: P7C,
Frequency: 145.000MHz
PTT: ON
3) LCD display: P7H,
Frequency: 145.995MHz
PTT: ON
Switch to Adjustment mode
and carry out the operations
for adjustment item G.
(Refer to page 30)
4)LCD display: P7L,
Frequency: 144.000MHz
PTT: ON
5) LCD display: P7C,
Frequency: 145.000MHz
PTT: ON
DC power supply
DVM
Power meter
Am meter
TX-RX
(A/3)
B
GND
ANT Encoder
[MENU]
Encoder
[MENU]
Encoder
[MENU]
Encoder
[MENU]
Encoder
[MENU]
Write
Write
Write
Write
Write
Note: Do not
use the DC IN
terminal.
4.8W ±0.05W
2.0A or less
1.5W ±0.05W
1.4A or less
Note: Adjust the output voltage from DC power supply until the voltage at the battery terminal be-
comes 7.5V while the transceiver is transmitting.