1-18 (No.RA003<Rev.004>)
4.5
Common Section
*Note 1:
During test mode, click the [Tune Assist Voltage] button in test mode dialog box, then start automatic adjustment of the Receive/
Transmit assist voltage.
*Note 2:
The CV voltage checking of CH:2 (Default value) test frequency must be performed in test mode.
4.6
Transmitter Section
Item
Condition
Measurement
Adjustment
Specifications
/Remarks
Test-
equipment
Unit Terminal Unit Parts Method
1. Setting
1) Power supply voltage
DC power supply terminal : 7.5V
2. Receive
Assist voltage
1) Auto tuning
*Note 1
FPU
4.0 ± 0.1V
2) CH: Low
*Note 2
DVM
TX-RX CVIN
Check
0.6V or more
(at CVIN terminal)
3. Transmit
Assist voltage
1) Auto tuning
*Note 1
FPU
4.0 ± 0.1V
2) CH: Low
*Note 2
DVM
TX-RX CVIN
Check
0.6V or more
(at CVIN terminal)
Item
Condition
Measurement
Adjustment
Specifica-
tions
/Remarks
Test-
equipment
Unit Terminal Unit Parts
Method
1. Frequency
(1)TEST CH: Center
PTT ON
Frequency
counter
ANT
FPU 435.100MHz (K2, P,
M2, M3)
485.100MHz (K, M)
375.100MHz (K3)
±50Hz
2. High Trans-
mit Power
(1)TEST CH: Low, Low', Center,
High', High (5 point)
(2)Baterry Terminal voltage:7.5V
(3)PTT ON
Power
meter
Ammeter
ANT
FPU 5.0W
±0.1W
2.0A or less
3. Low Trans-
mit Power
(1)TEST CH: Low, Center, High
(3 point)
(2)Baterry Terminal voltage:7.5V
(3)PTT ON
Power
meter
Ammeter
ANT
FPU 1.0W
±0.1W
1.0A or less
4. DQT
Balance 1
*Note 3
(1)TEST CH: Low, Low', Center,
High', High (5 point)
(2)Deviation meter filter
LPF: 3kHz
HPF: OFF
(3)PTT ON
Deviation
meter
Oscillo-
scope
ANT
FPU Make the demodula-
tion wave into square
wave.
4. DQT
Balance 2
*Note 3
(1)TEST CH: Low, Low', Center,
High', High (5 point)
(2)Deviation meter filter
LPF: 3kHz
HPF: OFF
(3)PTT ON
Deviation
meter
Oscillo-
scope
ANT
FPU The Deviation of
20Hz frequency is-
fixed.
Change the 1kHz ad-
justment value to be-
come the same
deviation of 20Hz
within the specified
range.
±15Hz
5. Maximum
Deviation (Ana-
log Narrow)
(1)TEST CH: Low, Low', Center,
High', High (5 point)
(2)Deviation meter filter
LPF: 15kHz
HPF: OFF
(3)PTT ON
Deviation
meter
Oscillo-
scope
ANT
FPU 2.0kHz (According to
, -)
±50Hz
Note:
FPU auto in-
put 1kHz/
150mV