Comtech EF Data SFC4200 - Manual (Page 27)

SFC4200/SFC1275G Synthesized Frequency Downconverter User Interfaces
TM054 - Rev. 4.0 4-3
CHANNEL: The Channel Field indicates which of 30 User-
Programmable (frequency and gain) Channels is
currently active.
GAIN: The Gain Field indicates the gain of the Converter. By
placing the cursor in the Gain Field, the gain can be
changed. Gain can be varied from +40 dB to 0 dB, and
may also be adjusted when the Converter is online.
RX SIGNAL: The Received Signal Field in the lower right-hand corner
of the display represents the signal strength of the RF
Input. The signal strength is displayed in dBm. The
Received Signal Strength Display is active when the
display is locked. Received signal strength accuracy is
±
3 dB.
Online Menus:
Single: Indicates that the converter is a standalone converter.
Backup: Indicates that the converter is the backup converter in a
redundancy system, either a 1:1 or a 1:8 system.
Primary: Indicates that the converter is the primary converter in a
redundancy system, either a 1:1 or a 1:8 system.
Note: The online menus indicate no faults.
Other Menus:
Setup: Allows the user to modify the fields from the Front Panel
Display. To accomplish this:
1. Press <Enter> to obtain the cursor.
2. Move the cursor to the desired field.
3. Make the necessary modification.
4. Depress <Enter> to store the data.
5. Depress the <
↑↑
> Key to bring the converter to
an online status
6. Depress <Enter> again to turn the RF On.
Note: A faulted condition does not allow the
converter to be placed online. To access the Fault
Menu, press the Menu Button until the Converter
Status Menu is displayed.
Offline: Indicates that the converter is offline as a result of a
fault condition.
Gain: The Gain Field indicates the gain of the converter. By
placing the cursor in the Gain Field, the gain can be
changed. Gain can be varied from +40 dB to 0 dB.