Setting Measurement Limits; Setting Channel Limits - Agilent Technologies E4419B User Manual

Setting Measurement Limits

You can configure the power meter to detect when a measurement is outwith a
predefined upper and/or lower limit value.
There are two types of measurement limits you can set:
• Channel Limits - are applied to the specified input channel and are for
• Window Limits - are windows based (upper and lower) and can be applied
Only one set of limits can be on at a time, that is, Channel OR Window.
N O T E

Setting Channel Limits

The power meter can be configured to verify the power being measured
against an upper and/or lower limit value. The range of values that can be set
for upper and lower limits is –150 dBm to 230 dBm. The default upper limit is
90.00 dBm and the default lower limit is –90.00 dBm.
To set the limits:
1 Press
2 To change either of these settings, press the appropriate softkey. The power
3 To confirm your choice, press the appropriate measurement units.
Limits can be disabled and re-enabled simply by pressing
E4419B Power Meter User's Guide
power measurements only.
to power, ratio, or difference measurements. In addition, the window based
limits can be set to output a TTL logic level at the rear panel Rmt I/O port
when the predefined limits are exceeded.
, A Input Settings
maximum and minimum limits are displayed under the
softkeys respectively.
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.
Power Meter Operation
, Limits . The current setting of the
2
Max and Min
Limits Off On .
73