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Table 3-11 Notes:
1.
CHPA Operating State is indicated as follows:
2
1
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Table 3-12. Secondary Status Bytes
Byte
Bit
Bit Definition
1
7(MSB)
Parity
6
Complement of bit 5
5
Valid control point
4
Valid control point
Bit 5
0
1
1
3
BB-RAM Error Detected. This bit is set if the battery-backed RAM contents are
suspected to be corrupt. This condition usually indicates that the BB-RAM must be
replaced. Under this circumstance, firmware defaults are used for all alarm and fault
settings.
2
Not used
1
High RF Alarm. This bit is set during High RF Alarm.
0(LSB)
Low RF Alarm. This bit is set during Low RF Alarm.
2
7(MSB)
Parity
6
Complement of bit 5
5
RF Peak Output Power. This bit is set if power meter is detecting peak power.
4
Not used
3
Power Fail Signal Timeout. This bit is set if the AC Power Fail signal is detected true
for more than 10 seconds and corresponds to the front panel "PFAL" report.
2
Not used
1
Not used
0(LSB)
Not used
D
.01023245 R
.R
OC
EV
CHPA State
Not used
Heater Time Delay
Standby
Beam On Sequence
Beam On
Beam On and RF Inhibited
Beam Off Sequence
Fault
Bit 4
Control Point
0
0
1
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REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED
Local
Remote
Computer Interface (CIF)
CHPA S
ERIES
3-17
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