NX-720H(G)/720H
43
ADJUSTMENT
Radio check Section
Item
Panel test mode
PC test mode
Measurement
Adjustment
Specifi cations/
Remarks
Test-
equipment
Unit
Termi-
nal
Unit
Parts
Method
1. Frequency
check
1) CH-Sig : 1-1
PTT : ON
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
f. counter
ANT
Check an inter-
nal tempera-
ture of radio
from 20°C to
26°C.
+/-0.25ppm
+/-38.0Hz
@155.1MHz
2. High power
check
1) CH-Sig : 1-1
PTT : ON
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
Power meter
Ammeter
Check
45.0W~55.0W
13A or less
2) CH-Sig : 2-1
PTT : ON
2) Test Channel
Channel: 2
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
3) CH-Sig : 3-1
PTT : ON
3) Test Channel
Channel: 3
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
3. Low power
check
1) CH-Sig : 1-1
PTT : ON
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
3.5W~6.5W
7A or less
2) CH-Sig : 2-1
PTT : ON
2) Test Channel
Channel: 2
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
3) CH-Sig : 3-1
PTT : ON
3) Test Channel
Channel: 3
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
4. MIC sensi-
tivity check
1) CH-Sig: 1-1
AG: 1kHz
PTT: ON
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
AG: 1kHz
PTT: Press
[Transmit] button.
Deviation
meter
Oscillo-
scope
AG
AF VTVM
Adjust AG
input to get a
standard MOD.
Dev 3.0kHz
at 5mV±1.0mV
Summary of Contents for Nexedge NX-720H
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