Xicom XTU-400K, Operation And Installation Manual

Page: 87 / 189

MNC-0400-001 27 of 54 Revision G
Operation, Rack and Digital HPAs
The front panel 10-key pad and three of the softkeys of the Set
Max Reflected Power Menu are active. The front panel 10-key
pad is used to enter the desired maximum reflected power level.
The Set Max Reflected Power Menu softkey functions are:
[Softkey 1]— Cycles one step each time the softkey is pressed.
The step sequence is:
OFF ALARM FAULT OFF etc.
These three states are:
OFF — Disables the reflected power detection circuit
alarm and faults,
ALARM — Enables the minimum power detection circuit
alarm. The display will show the Alarm and the buzzer
will sound but High Voltage will NOT be shut off.
FAULT — Enables the minimum power fault detection
circuit. The display will show Fault; the buzzer will sound
and the High Voltage will shut off.
[Softkey 2]— Not Used. Numeric value shown on the line to the
left of this softkey is the current minimum power level setting.
[Softkey 3]— Not Used. (Value you enter for the new value is
displayed to the left of this key.)
Entries are in the units shown on the second line.
Press [Clear] to clear your entry. Press [Enter] to accept your
entry.
[Softkey 4]— Pressed to return to the Alarms/Faults Menu .
Figure 10, Alarms/Faults Setup Submenus
Test Menu
This menu allows you to test four amplifier functions. Refer
to Figure 8 on page 20. All softkeys are active as follows:
[Softkey 1]— Pressed to test the front panel LEDs.
[Softkey 2]— Pressed to test the audio alarm