Fieldfox On/Off Settings; Fieldfox High-Temperature Protection - Agilent Technologies FieldFox N9923A User Manual

To conserve battery power:
 Use Run/Hold to single-trigger a measurement when needed.
 Press System then
 Briefly press the power button to switch to Stand By mode when the FieldFox
NOTE When powered by the battery only, the FieldFox can stay in Stand By mode for a
maximum of four hours and then it powers off automatically. When the relative
battery charge drops about 20%, the FieldFox will power off to preserve the
remaining charge.
To recharge a battery:
Use ONLY a FieldFox charger to recharge a battery.
 The battery can be fully charged while in the FieldFox in about 4 hours with
 It can be fully charged externally using the external battery charger (Opt 872)
When the battery is removed, the FieldFox can still be powered by the AC/DC
adapter.

FieldFox ON/OFF Settings

 To turn power ON, briefly press the power button. The LED is green. Boot-up
 To switch to Stand By mode (low battery drain), briefly press the power
 To turn Power OFF (very low battery drain), press and hold the power button
 Data and instrument state are NOT automatically saved when the FieldFox is

FieldFox High-Temperature Protection

The following features prevent degradation or damage in the event of high
internal temperatures in the FieldFox.
NOTE Do NOT store the FieldFox in the softcase while powered ON or in Stand By
mode.
How to monitor the internal FieldFox temperature:
 Press System, then
12
the display.
Display
knob, or numeric keypad to adjust the brightness to dim the FieldFox display
as much as possible.
is not being used. Press again to restore power. All current settings are
preserved.
the FieldFox either ON or OFF.
in about 4 hours.
takes about 1 minute.
button. The LED is orange and blinks. To turn power ON, briefly press the
power button. Power and settings are restored instantly. See the Note above
concerning Stand By mode.
until power is OFF - about 4 seconds. The LED is off.
powered OFF. Learn how to save data and instrument state on page 86.
Service
then Brightness. Use the ▲|▼ arrows, the rotary
Diagnostics.
is shown on
Hold
N9923A FieldFox User's Guide