Comtech EF Data CPA - Manual (Page 69)

CPA C-Band Indoor Solid-State Power Amplifier Revision 1
Front Panel Operation MN/CPA-IN.IOM
5–13
Use the ◄ ► arrow keys to select Auto/Manual Mode or Backup Mode, and then press ENTER.
If 1:2 Redundancy is recognized:
Config: Auto/Manual Mode
Backup Mode Priority
Use the ◄ ► arrow keys to select Auto/Manual Mode, Backup Mode, or Priority, and then press
ENTER.
The operations that follow are typical for both 1:1 and 1:2 redundant operations unless otherwise
indicated.
CONFIG: Redundancy
 Auto/Manual Mode
Operating Mode: Manual
Automatic (◄ ► E)
Select Manual or Automatic using the ◄ ► arrow keys, and then press ENTER.
CONFIG: Redundancy
 Backup Mode
This submenu is enabled only in Remote  Local mode, and with Redundancy 
Auto/Manual Mode set to Manual. If you attempt to access this submenu either
while in Remote  Serial or Remote  Ethernet mode, or with Redundancy 
Auto/Manual Mode set as Automatic, this submenu is disabled and, in its place, the
following message displays:
NOT IN MANUAL MODE OR
NOT ACTIVE
Otherwise:
SSPA #1 OFFSET: X.XX dB
Active Backup: NO
For 1:2 configurations only: On the top line, use the ▲▼ arrow keys to select the desired
Backup CPA (i.e., SSPA #1 or SSPA #2). For 1:1 configurations, note that this number is
always fixed as ‘1’.
For 1:1 and 1:2 configurations:
On the top line, set the dB offset used for Gain Equalization for the selected Backup CPA. Use
the ◄ ► arrow keys to first select the numeral to edit, and then use the ▲▼ arrow keys to
edit that digit. The valid range, in dB, is -7.00 to +7.00.
On the bottom line, use the ▲▼ arrow keys to set operation of the specified Backup CPA: