Checking For Limit Failures - HP E4419B User Manual

Power Meter Operation
Setting Measurement Limits
To set the TTL Output:
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 Figure 2-14.
Note
2-50
Meas
1. Press , Limits TTL Output
Setup
TTL Output are displayed under the
softkeys.
Fail O/P
2. To select whether the TTL output reflects an overlimit condition,
under limit condition or both, press
arrow keys to make a selection between
EITHER on the pop up menu that appears.
3. To select whether a high or low level TTL output represents a
limits failure, use the
and
Low
.
The same limit fail field is used by both channel and window
limits.
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, . The current settings for the
TTL Output Limits
Limits
OVER UNDER
softkey to toggle between
Fail O/P
HP E4419B User's Guide
, and
. Use any of the four
, , and
High