2
General Power Meter Functions
Zero/Cal Lockout
The Zero/Cal Lockout facility can help you make sure that a measurement
cannot be made until the power meter and sensor combination has been
zeroed and calibrated.
When the Zero/Cal Lockout facility is enabled and a sensor is initially
connected, the message Please Zero and Cal is displayed.
Figure 2-89 Please zero and calibrate window
When you zero the sensor the message changes to
calibrate the sensor before zeroing it, the message changes to
Dual channel meters display channel specific messages when a sensor is
connected. The Zero/Cal Lockout configuration is applied to both channels
- it cannot be applied to one channel only.
You can enable and disable the Zero/Cal Lockout facility from the System
menu or the Cal menu as follow:
Press
Similarly,
press
110
1 of 2
Must Cal
,
,
1 of 2
Must Cal
,
,
N1911A/1912A P-Series Power Meters User's Guide
Please Cal
Off
On
or
.
Off
On
or
.
. If you
.
Please Zero