User`s guide

2 General Power Meter Functions
38 N1913/1914A EPM Series Power Meters User’s Guide
Figure 2- 4 shows that how you can apply a Channel Offset or a
Frequency Dependent Offset prior to any mathematical functions. These
allow you to compensate each channel individually. An overall offset can
be applied if required using the Display Offset.
Setting Channel Offsets
This gain or loss is applied to the measured power before any
mathematical functions, display offsets or relative functions are included.
Offsets are entered in dB and the range is –100 dB to +100 dB.
The equivalent range in % is from 0.0000000001% to 10000000000%.
A positive value compensates for a loss and a negative value compensates
for a gain.
Procedure
To enter a channel offset:
1 Press to display the Channel Setup screen. Confirm the channel
requiring setup is displayed.
2 Press to display the Offsets Setup.
3 Use the and keys to highlight the Offset setting field.
4 Press to check the Offset setting field.
Figure 2-5 Typical channel offset display
5 Press to highlight the Offset value field and press to display
the Offset pop- up. Use the numeric keypad to enter the required value
in the Offset pop- up window.
Offsets
Offset value field
Offset setting field