Anritsu MG369 Series, Operation Manual

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Operator Maintenance Error and Warning/Status Messages
MG369XB OM 6-9
Error Message Description
ERR Continued:
(2) The external FM (or
F
M) modulating signal exceeds the
input voltage range. In addition, the message
“Reduce FM (or
F
M) Input Level” appears at the bottom of
the FM (or
F
M) status display.
(3) A pulse parameter setting is invalid for the current pulse
modulation state, as follows:
Pulse Period: <50 ns (100 MHz clock), <125 ns (40 MHz
clock), or <500 ns (10 MHz clock) longer than pulse widths
+ delays
Single Pulse Mode:
Free Run or Gated Trigger:
Width1 > PRI
Delayed Trigger:
Width1 > PRI
Doublet Pulse Mode:
Free Run Trigger:
Width1 > Delay2 or
(Delay2 – Width1) + Width2 > PRI
Delayed Trigger:
Width1 > Delay2 or
(Delay2 – Width1) +Width2 > PRI
External Trigger with or without Delay:
Width1 > Delay2
Triplet Pulse Mode:
Free Run Trigger:
Width1 > Delay2 or Width2 > Delay3 or
(Delay2 – Width1) +
(Delay3 – Width2) + Width 3 > PRI
Delayed Trigger:
Width1 > Delay2 or Width2 > Delay3 or
(Delay2 – Width1) +
(Delay3 – Width2) + Width 3 > PRI
External Trigger with or without Delay:
Width1 > Delay2 or Width2 > Delay3
Quadruplet Pulse Mode:
Free Run Trigger:
Width1 > Delay2 or Width2 > Delay3 or
Width3 > Delay4 or
(Delay2 – Width1) + (Delay3 –
Width2) + (Delay4 – Width3) + Width4
> PRI
Delayed Trigger:
Width1 > Delay2 or Width2 > Delay3 or
Width3 > Delay4 or
(Delay2 – Width1) +
(Delay3 – Width2) + (Delay4 – Width3) +
Width4 > PRI
External Trigger with or without Delay:
Width1 > Delay2 or Width2 > Delay3 or
Width3 > Delay4
Table 6-2. Possible Error Messages during Normal Operation (2 of 2)