NORMARC NM 7000 Series, Инструкция по установке и пусконаладке, Страница: 155 / 189

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Figure 2-3 Adjustment points
2.3 Adjustments at installation
These procedures have to be carried out at installation in order to set up your equipment right.
2.3.1 Transmitter output power adjustment
This adjustment is most easily done with the RMM PC program but the local keyboard/display
may be used.
•
Make sure the output signal
RF OUT
is terminated with a 50
Ω
load (antenna or dummy
load).
• If this is an Inner Marker make sure the external attenuator (10dB) is installed, inside the
Cabinet at the Tx output.
• Start the RMM program on the PC (see chapter 10)
• Open the TX settings window,
RF level
for TX1 and TX2 are to be adjusted.
• Open the Maintenance window.
RF level
for TX1 and TX2 are to be watched.
• Set
Local
mode with the
Remote/Local
switch.
• Set
Manual
mode with the
Auto/Manual
switch.
• Set
TX1
to air with the
Changeover
button
• Adjust
RF level
in
TX settings
until you read the desired output power on
RF level
in
Main-
tenance
.
A
N
T
I S
T
A
T
Shield box
Oscillator
1
2
3
4
5
6
7
HBK864/1