Auto Power Off Function; Backlight; Adjusting The Lcd Contrast; Turning The Key Sound On And Off - Sharp EL-6990 Operation Manual

Auto Power Off Function

When none of the keys has been pressed for approximately 7
minutes, the Organizer automatically turns the power off to save the
operating battery.

Backlight

The Backlight allows you to view the display and use the Organizer
even in low-light conditions. Pressing z once illuminates
the display for as long as you continue to use the Organizer; if no
key activities are detected within the specified interval, it will be
turned off automatically.
• To turn the Backlight off, press z again.
• The Backlight may remain on for less than the preset interval or it
may not function if the battery level is low.
• The Backlight does not function in the PC Link mode.
Do not use the Backlight unnecessarily.
• Since the Backlight drains power from the backlight battery,
excessive use of the Backlight will significantly reduce the life of
your battery.
Setting up the Backlight
• The Backlight can be set to turn off at a specified interval.
1. Press f !, select "BL TIME SET" by using k or m, and
press x.
2. By using k or m, select a desired interval (10, 20, or 30
seconds) and press x.
2

Adjusting the LCD Contrast

1. Press f !, select "LCD CONTRAST" by using k or m,
and press x.
2. Press k or m to darken/lighten the display (within 1 through 8).
3. When done, press x.

Turning the key sound On and Off

1. Press f !, select "KEY TONE" by using k or m, and
press x.
2. Select the key sound function on/off by using k or m.
3. When done, press x.

Memory Check

Press f !, select "MEMORY CHECK" by using k or m,
and press x.
The memory check display will appear and indicate the remaining
memory space.
The previous screen will appear after 2 seconds.