RELM RPU416, Руководство пользователя, Страница: 17 / 39

RPV516/RPU416 Adjustment Description
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Adjust the receiver section:
(in manual adjust mode)
Measurement Adjustment
Item Condition
Test
equipment
Terminal Parts Method
Specifications/
Remarks
1. CH:RX Center
Turn to channel 4 in
manual mode.
TC201
TC202
(RPU416)
TC203
(RPU416)
Adjust the waveform to the
top, and the top is flat, the
bandwidth is about 10MHz,
the sign of RX central
frequency is at the middle
of the waveform.
2. CH: RX Low Turn
to channel 5 in
manual mode.
PTT
(upwards)
MONI
(downwards)
Adjust the waveform to the
top, the sign of RX low
frequency is on the left of
the waveform top.
4. RF amplifier
BPF
3.CH:RX High 3Turn
to channel 6 in
manual mode
Spectrum
analyzer
ANT. TP2
PTT
(upwards)
MONI
(downwards)
Adjust the waveform to the
top; the sign of RX high
frequency is on the right of
the waveform top.
1. CH: RX Center.
Turn to channel 13 in
manual mode.
Channel spacing:
Wide
2. CH: RX Center
Turn to channel 14 in
manual mode.
Channel spacing:
Wide
5.Sensitivity
(Wide)
3. CH: RX Center
Turn to channel 15 in
manual mode.
Channel spacing:
Wide
Communica-
tion analyzer
SSG output :
-118dBm
MOD:1KHz
DEV:±3KHz
FILTER:
0.3-3.4KHz
ANT SP Check
SINAD: 12dB
or higher
1. CH: RX center
Turn to channel 13 in
manual mode.
Channel spacing:
narrow
2. CH: RX center
Turn to channel 14 in
manual mode.
Channel spacing:
narrow
6. Sensitivity
(Narrow)
3. CH: RX center
Turn to channel 15 in
manual mode.
Channel spacing :
narrow
Communica-
tion analyzer
SSG output:
-116dBm
MOD:1KHz
DEV:±1.5KHz
FILTER:
0.3-3.4KHz
ANT SP Check
SINAD: 12dB or
higher
1.CH: RX center
Turn to channel 7 in
manual mode
Communica-
tion analyzer
SSG output :
-117dBm
Level 9
Adjust to close the squelch.
Adjust squelch
level 9
7. Squelch
2. CH: RX center.
Turn to channel 8 in
manual mode.
Communica-
tion analyzer
SSG output :
-125dBm
ANT SP
PTT
(upwards)
MONI
(downwards)
Level 3
Adjust to close the squelch.
Adjust squelch
level 3