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HP4402.book : chapter2.fm 49 Fri Feb 12 15:32:45 1999
Power Meter Operation
Setting Measurement Limits
HP E4419B User’s Guide 2-49
Figure 2-14: Remote I/O TTL Outputs
To set the limits:
1. Press , . The current setting of the maximum and
minimum limits are displayed under the and softkeys
respectively.
2. To change either of these settings press the appropriate softkey.
The power meter displays the current value in a pop up window.
Modify this value (see below) until the desired value is displayed.
■ Use or to modify the digit on which the cursor is
currently positioned.
■ Use or to move to other digits.
3. To confirm your choice press the appropriate measurement units.
Limits can be disabled and re-enabled simply by pressing
.
Pin Number Connection
1 none
2 Ground
3 Upper Window TTL Output
4 Lower Window TTL Output
5 TTL Input 1
6 TTL Input 2
7 Ground
8 Ground
1 2 3 4 5 6 7 8
Meas
Setup
Limits
Max Min
Limits Off On