Orban OPTIMOD-AM 9300, Руководство по эксплуатации

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OPTIMOD-AM DIGITAL OPERATION
3-37
Test Modes
The Test Modes screen allows you to switch between
O
PERATE
, B
YPASS
,
and
S
INE
, and
S
QUARE
.
When you switch to
B
YPASS
or either tone mode (sine wave or square
wave)
,
the preset you have on air is saved and will be restored when you switch back
to
O
PERATE
.
The sine and square frequencies are adjustable. The triangle frequency is
fixed at 100 Hz.
Table 3-8: Test Modes (below) shows the facilities available.
BYPASS PROTECT sets the threshold of a clipper in the bypass signal chain. It allows
you to protect a transmitter in case excessive signal level is applied to the input of
the 9300 while in
B
YPASS
mode.
BYPASS HPF (Highpass Filter) allows you to protect your transmitter by keeping
the 9300’s highpass filter to the bypass signal chain. The active System Preset deter-
mines the filter’s cutoff frequency.
Setup: Test
Parameter
Labels Units Default Range (CCW to CW) Step
MODE --- Operate Operate, Bypass, Sine, Square,
Triangle ---
BYPASS GAIN dB 0.0 
18 … +25
1
BYPASS PROTECT % 100 50, 60, 70, 80, 90, 100, 105
BYPASS HPF --- Out Out, In
SINE FREQ Hz 400 16, 20, 25, 31.5, 40, 50,
63, 80, 100, 125, 160,
200, 250, 315, 400, 500,
630, 800, 1000, 1250, 1600, 2000,
2500, 3150, 4000, 5000,
6300, 8000, 9500, 10000, 12500,
15000 LOG
SQUARE FREQ Hz 400 16, 20, 25, 31.5, 40, 50,
63, 80, 100, 125, 160,
200, 250, 315, 400, 500,
630, 800, 1000 LOG
SINE/TRINGL MOD % 100 0 … 121 1
SQUARE MOD % 30 0 … 50 1
Table 3-8: Test Modes
Using the 9300 PC Remote Control Software
9300 PC Remote control software allows you to access any front-panel 9300 control.
In addition, you can access all of the Advanced Control controls that are unavailable
from the 9300’s front panel. The software also gives you the ability to backup user