23
Chapter 1 Getting Acquainted
To enable and disable start-up screen operation
1. While the Mode Menu or Action Menu is on the display, tap
Menu Bar
to display the menu bar, and then tap
Option
–
Screen Options
.
2. On the configuration screen that appears, tap the check box next to the
“Use start-up screen” option to toggle it on (checked) and off
(unchecked).
3. Tap
Set
to register your setting.
Using the Backlight
Tapping the
icon beneath the PV Unit screen illuminates the display screen
for easy viewing in the dark. You can specify a duration of 15 seconds or 30
seconds for the backlight.
To specify the backlight duration
1. While the Mode Menu or Action Menu is on the display, tap
Menu Bar
to display the menu bar, and then tap
Option
–
Screen Options
.
2. On the configuration screen that appears, tap the box next to “Backlight
time” to toggle it between 15sec (15 seconds) and 30sec (30 seconds).
3. Tap
Set
to register your setting.
About the EL backlight
•
Tapping the
icon while the backlight is on turns it off.
•
The backlight may fail to turn on when battery power is low and during
data communication.
•
Frequent use of the backlight shortens battery life. The following shows
how backlight use affects battery life under controlled test conditions.*
For comparison with the values below, battery life is normally
approximately 80 hours with 55 minutes of continuous display only and
5 minutes of processing operation per hour in the Contacts Mode when
no backlight operation is performed.
Backlight Operation
Battery Life
3 minutes per hour
Approximately 60 hours
15 minutes per hour
Approximately 30 hours