A2537-002/01 February 2020
6-19
SEMCO Proprietary Information
Figure 6-26 shows the
Loop BW Divider
feature on the remote GUI. The user disables
Auto
Bandwidths
clicks on
Advanced Settings
and then
Loop BW Divider
to access a pull-down menu. The desired value
for reducing Carrier Loop Bandwidth during initial signal acquisition is then selected.
Loop BW Divider
is
available with
Auto
disabled for PM, BPSK, A/U/Q/PSK and SOQPSK-TG demodulator formats as shown.
Figure 6-26
Loop BW Divider on Remote GUI
6.8.3 FM Sweep
This feature is used when acquiring FM signals below 30 Kbps. When this feature is enabled, the
demodulator’s AFC is enabled, and the demodulator’s center frequency is swept when demodulating
narrow FM signals to ensure that the desired signal is centered in the selected IF FIR Filter bandpass.
Figure 6-27 shows how to enable
FM Sweep
using the Front Panel LCDs and /Keypad.
The operator pushes the
DEMOD
button to enable the
<
Ch1
> Demod Menu
display, uses the
UP
(2) and
DOWN
(8) arrows to scroll to
FM SWEEP
in blue, and then pushes
ENTER
or
SELECT
(5) to highlight the
ON/OFF
window in
bright magenta
. The operator then uses the
UP
(2) and
DOWN
(8) arrows to select
ON
and pushes
ENTER
or
SELECT
(5.
Using the horizontal
LEFT
(4) and
RIGHT
(6) arrows, the operator selects
<
Ch2
>
and pushes
ENTER
or
SELECT
(5) to highlight the
ON/OFF
window in
bright magenta
. The operator then uses the
UP
(2) and
DOWN
(8) arrows to select
ON
and pushes
ENTER
or
SELECT
(5). The operator repeats these steps for
<
Comb
>
.
Figure 6-27
Front Panel FM Sweep Settings
Summary of Contents for RC100C-2
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