data will not be lost. When you press [ON], the Organizer will return to the same operating state as before the power turned off automatically.

Setting the LCD contrast to suit various lighting

conditions

From time to time, the contrast of the LCD display may have to be adjusted for ideal readability. You may find, for example, that a contrast setting that was fine for the home or office is not adequate when outdoors or when traveling on public transport. Follow the procedure below to adjust the LCD contrast.

1.Press [MENU] three times to open the TOOLS menu.

2.Select ADJUST LCD CONTRAST

3.Adjustthe contrast by pressing [A] and [v] or [PREV] and [NEXT].

4.Press [ENTER] when you are satisfied with the contrast.

Turning the key beep on and off

The Organizer can be set to make a sound (a beep) each time a key is pressed. This may help you to know whether a key has been pressed properly. The default setting is on, indicated by a musical symbol .P on the bottom of the display. You can use the TOOLS menu to change the setting.

1.Press [MENU] three times to open the TOOLS menu.

2.Select KEY SOUND ON (J indicates that the option is currently set.)

I

The key beep is now turned off and the musical symbol 2 disappears from the bottom line of the display.

Backlight

The Organizer provides a built-in Backlight, which allows you to view the display and use the Organizer even in low-light conditions, eg. in atheater, restaurant, or business presentation. Pressing [BACKLIGHT] once illuminates the display for around 1 minute. When already on, press [BACKLIGHT] again to turn it off.

If you press [2nd] [BACKLIGHT], the Backlight will remain on for as long as you continue to use the Organizer, until you have not typed any key for 1 minute. This is useful if you want to enter or access some information that will take longer than 1 minute.

The Backlight may remain on for less than 1 minute if the battery level isvery low.

Note: Do not use the Backlight unnecessarily.

*Since the Backlight drains power from the operating batteries, excessive use of the Backlight will significantly reduce your battery life.

*Continuous use of the Backlight will, over time, lead to gradual loss of brightness.

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Sharp ZQ-640, ZQ-630, Z&650 operation manual Turning the key beep on and off, Backlight