PS Front Panel
Figure 12 identifies the items located on the front panel of the PS unit, and Table 7 explains their
functions.
OUT 1
OUT 2
OK
NG
OK
NG
AC ON
ON
OFF
1
2
3
5
4
6
Figure 11. PS Front Panel
Table 7. PS Front Panel Items
Item Description
Function
1
ON/OFF switch
Turns the PS on
2
AC ON indicator
Lights when the PS unit is powered
3
OUT 1 OK indicator Lights when the power supply subsystem 1 operates normally
4
OUT 1 NG indicator Lights when the output voltage provided by power supply subsystem 1 is not
within
±
25% of its normal value.
To protect the 1 kW amplifier, the output voltage is automatically turned off in
case it exceeds the maximum value. To attempt returning to normal operation,
turn the PS off and then back on: if problem recurs, the PS unit must be
serviced
5
OUT 2 OK indicator Same as Item 3 for power supply subsystem 2
6
OUT 2 NG indicator Same as Item 4 for power supply subsystem 2
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