Running Time; Figure 2-1 Battery Status - Agilent Technologies E4419B User Manual

2 Power Meter Operation

Running Time

A fully charged battery will typically allow the power meter to be used
continuously for up to three hours with the backlight off and two hours with
the backlight on.
Battery Status
You can check the status of the battery by pressing
condition of the battery represented on an analog meter scale. Below the
analog scale is a message indicating the estimated power meter running time
under battery operation with the present charge level.
Running time can be increased by operating the power meter with the display
backlight turned off (see
Figure 2-1
When the power meter is running on battery power and there are less than 10
minutes of run-time remaining, the message "Battery Low" appears at the top
of the screen. In addition, a pop-up window appears every minute with the
message "Battery Power Low".
26
, . The Battery Status display
Battery
"Backlight"
Battery Status
(Figure 2-1) shows the charge
on page 27 ).
E4419B Power Meter User's Guide
, , ,
Service