R&S ESU Series - 7 Status:questionable:frequency Register

R&S ESU Remote Control – Basics
Status Reporting System
5.26 Operating Manual 1302.6163.12 - 03
5.7.3.7 STATus:QUEStionable:FREQuency Register
This register comprises information about the reference and local oscillator.
It can be queried with commands STATus:QUEStionable:FREQuency:CONDi-
tion? and STATus:QUEStionable:FREQuency[:EVENt]?.
10 ALT1 UPPer FAIL (Screen B)
This bit is set if in screen B the limit is exceeded in the upper 1st alternate channel.
11 ALT1 LOWer FAIL (Screen B)
This bit is set if in screen B the limit is exceeded in the lower 1st alternate channel.
12 ALT2 UPPer FAIL (Screen B)
This bit is set if in screen B the limit is exceeded in the upper 2nd alternate channel.
13 ALT2 LOWer FAIL (Screen B)
This bit is set if in screen B the limit is exceeded in the lower 2nd alternate channel.
14 This bit is not used.
15 This bit is always set to 0.
Bit
No.
Meaning
Bit
No.
Meaning
0 OVEN COLD
This bit is set if the reference oscillator has not yet attained its operating temperature. 'OCXO'
will then be displayed.
1 LO UNLocked (Screen A)
This bit is set if the local oscillator no longer locks. 'LOUNL will then be displayed.
2 to 8 not used
9 LO UNLocked (Screen B)
This bit is set if the local oscillator no longer locks.' LOUNL' will then be displayed.
10 to
14
not used
15 This bit is always 0.