Agilent Technologies 1912A, Руководство пользователя

Страница: 113 / 297

General Power Meter Functions 2
N1911A/1912A P-Series Power Meters User’s Guide 87
Setting Limits
The power meter can be configured to verify the current measurement in
any measurement line against predefined upper and/or lower limit values.
The range of values that can be set for the upper and lower limits and the
default values depends on the measurement units in the currently selected
measurement line (see
Table 2- 7 ).
Table 2-7 Range of values for window limits
Procedure
Set the limits as follows:
1 Press , to display the Measurement Setup menus.
2 Use the and keys to highlight the Limits: setting field.
3
Press to check the
Limits:
setting field.
4
Use the key to highlight the
Minimum Limits:
value field.
Window
Units Maximum Minimum Default
Maximum Default
Minimum
dB +200 dB –180 dB 60 dB –120 dB
dBm +230 dBm –150 dBm 90 dBm –90 dBm
% 999.9 X% 100.0 a% 100.0 M% 100.0 p%
W 100.000 XW 1.000 aW 1.000 MW 1.000 pW
N O T E
Ensure you have selected the channel you wish to set up.
Meas Select