4 select: front panel, 1 front panel: brightness, 2 front panel: lamp test – Comtech EF Data CPA User Manual
Page 76
CPA C-Band Indoor Solid-State Power Amplifier
Revision 1
Front Panel Operation
MN/CPA-IN.IOM
5–20
Ref Osc: Vtune = 04.8
ExtRef: N/A
Press ENTER or CLEAR to return to the previous menu.
UTILITY: RefOsc
Adjust
Reference Frequency
Adjust 87
Use this menu to manipulate the reference oscillator adjustment. First, use the
◄ ►
arrow
keys to select the digit to edit, and then use the
▲▼ arrow keys to change that digit. Press
ENTER when done.
The default Reference Frequency tuning adjustment is 87, with allowable values from 0 to
255.
5.3.4
SELECT: Front Panel
Front Panel: Brightness
Lamp Test (◄ ► E)
Select Brightness or Lamp Test using the
◄ ►
arrow keys, then press ENTER.
5.3.4.1 Front Panel: Brightness
Display Brightness:
100%
Use the
▲▼ arrow to adjust the display brightness. The selectable values of brightness are
25%, 50%, 75%, or 100%. Press ENTER when the brightness is suitable.
5.3.4.2 Front Panel: Lamp Test
Lamp Test:
START
The Lamp Test menu runs a performance diagnostic on the front panel LED Indicator array. Press
ENTER to begin the test – as the LEDs cycles through the Lamp Test, the following message
displays:
Lamp Test:
TESTING
This test does not otherwise affect CPA operations while running.