Comtech EF Data SDM-2020, Installation And Operation Manual

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SDM-2020 Satellite Demodulator Operation
Rev. 3 3–47
DISPLAY
CONTRAST Set the contrast level of the front panel display.
Press [ENTER] in order to change the contrast of the front panel display.
Press [
↑
] or [
↓
] to increment or decrement the number at the flashing cursor
from 0 to 100. Press [ENTER] to execute the change.
M&C FIRMWARE Displays M&C module firmware version.
Upon entry, the date of release of this firmware will be displayed. Upon
second entry, the firmware date of release is displayed. This is a status
window only
BOOT FIRMWARE Displays the boot firmware number.
Upon entry, the date of release of this firmware will be displayed. Upon
second entry, the firmware date of release is displayed. The third entry will
display the firmware version number. This is a status window only
FPGA FIRMWARE Displays FPGA firmware version.
Upon entry, the date of release of this firmware will be displayed. Upon
second entry, the firmware date of release is displayed. This is a status
window only.
MASTER RESET Master reset function.
CAUTION
When a hard reset is initiated, the demodulator hardware is reset, and all
default configuration settings will be installed. When a soft reset is
initialized, the demodulator hardware will be reset, but the initial firmware
configuration settings will be saved.
Press [ENTER] once to access Soft. Press [
↑
] or [
↓
] to alternate between
Hard and Soft until the desired type is visible. Press [ENTER]. If Soft has
been selected, press [ENTER] again to reset the demodulator. If Hard is
selected, press [
→
] until the cursor is on YES, and press [ENTER].
LNB CURRENT
LIMIT Set up menu for Low and Hi current thresholds.
Range is 0 to 1000 mA.
Press [ENTER] once to access change mode. Press [
↑]
or [
↓
] to alternate
between the Low and Hi LNB current thresholds. Press [
→
] to move the
cursor to the appropriate decimal position and use the [
↑]
or [
↓
] to change
value. Pressing [ENTER] will program the displayed the value.
Note:
The Hi current value shall be > the Low current value.
LNB VOLTAGE Status Only.
Displays the LNB voltage as 13, 18, or 24 VDC.
Notes:
1. With 4-Channel L-Band Card installed only.
2.
1-Channel L-Band Card is 24 VDC only, no user selection.