Comtech EF Data SFC1800A - Manual (Page 27)

SFC1800A Synthesized Frequency Upconverter User Interfaces
TM111 – Rev. 1.0 4-3
4.1.4 Front Panel Keypad
The front panel keypad consists of two areas: a 10-key numeric entry with 2 additional keys for
the ‘Enter’ and ‘Clear’ function. The second area is a set of ‘Arrow’ or ‘Cursor’ keys (
↑), (↓), (→),
(
←), used to navigate the parameter currently being monitored or controlled. Table 4-3 describes
the key functions available at the front panel.
Table 4-3. Front Panel Keypad
Key Function
0 to 9 The Number Keys are used to change numeric values in the value field of the
LCD display.
CLEAR If pressed before <ENTER> during a parameter change, the CLEAR Key will
cause that parameter to return to its original value.
ENTER The Enter Key will cause changes to Frequency, Status, and other operator-
selected parameters to be executed. It also causes the status of the converter
to be saved into non-volatile memory.
4.1.5 LED Indicators
There are twelve (12) LEDs on the SFC1800A Upconverter Front Panel to indicate the operation
status (refer to Table 4-3).
Table 4-3. Front Panel LED Indicators
LED Color Function
POWER Green When illuminated, indicates the presence of primary power
and that the On/Off Switch located on the rear of the chassis
is in the On Position.
FAULT Red When illuminated, Indicates a common fault (internal
hardware).
EVENT Yellow When illuminated, indicates that an event (may be a fault or
startup sequence) has occurred and is stored in the Event
Buffer along with a date/time stamp.
REMOTE Green When illuminated, indicates that the converter is in Remote
Mode. In this mode, the unit settings can only be modified
and controlled via a remote interface.
ONLINE Green When illuminated, indicates that the backup converter has
been placed online to backup a Prime Converter (backup
converter Only).
SW FAULT Red When illuminated, indicates that an error has occurred during
a Backup Process. (backup converter Only). If a SW Fault
does not exist but a Learned or a Backup Test Fault exists,
this LED will flash at one-second intervals.
BACKUP Yellow Not used.
MANUAL Yellow When illuminated, indicates that the backup converter has
been Manually placed Online (backup converter Only).