CHECK II Quick Start Guide
Interface Features
19
When the top of the hourglass is black, there is time remaining before
next calibration. When the top of the hourglass is white, the calibration
interval has lapsed.
NOTE
If you change the aperture setting, the amount of time remaining may
change.
Battery Life. I
dentifies the power source currently used. When the
battery is operating, it indicates the amount of power available.
. Instrument is running from the battery. Also identifies
battery status. When fully charged, four vertical lines appear in
the battery. Each time you charge the battery pack, the unit is
available for approximately 1,000 measurements.
. Instrument is connected to the power adapter and the
battery is charging. You can continue working with the unit
and recharge the battery simultaneously. The battery is fully
recharged in 4.5 hours.
The battery status is unknown. This indicates there is no
communication between the instrument and the PDA.
Backlight.
H
Touching this icon turns PDA back light on/off.
NOTE
The backlight can only be seen when the screen is viewed in a dark
room with no ambient light.
PDA Graffiti Pad and Control Panel
Directly below the screen are additional icons and buttons that are used
to navigate through the program. This is the graffiti pad.
