Checking For Limit Failures - Agilent Technologies E4418B User Manual

2 Power Meter Operation
To set the TTL output:
1 Press
2 To select whether the TTL output reflects an overlimit condition, under
3 To select whether a high or low level TTL output represents a limits
TTL outputs can be disabled and re- enabled simply by pressing
TTL Output Off On

Checking for Limit Failures

Limit failures are displayed in the appropriate field in the measurement
window on the power meter's display as shown in
The same limit fail field is used by both channel and window limits.
N O T E
74
,
Limits TTL Output
output are displayed under the
softkeys.
limit condition or both, press
to make a selection between
pop- up menu that appears.
failure, use the
Fail O/P
.
, . The current settings for the TTL
TTL Output Limits
. Use any of the four arrow keys
Limits
,
OVER UNDER
softkey to toggle between
, , and
Fail O/P
, and on the
EITHER
and
High
Figure 2- 14.
E4418B Power Meter User's Guide
Low