PART 2 Operation Reference
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22
Setting Up the SF Unit
After batteries are loaded, use the following procedures to set up the SF Unit for
operation.
To switch power on and off
1. Press ON/OFF to switch power on.
• The initial screen for the mode that was selected when you last switched
power off appears on the display.
• If the message shown on page 13 appears on the display, follow the
procedures described on page 14.
• If a low battery power message appears on the display or if the display
remains blank when you turn power on, replace batteries as soon as
possible.
2. Press
ON/OFF again to switch power off.
About the Auto Power Off function...
The SF Unit is equipped with an Auto Power Off function that switches power off
automatically whenever you do not perform any key operation for about six
minutes. To restore power, press ON/OFF.
To turn on the EL backlight
Pressing LIGHT causes the backlight to turn on for about 8 seconds, and then turn
off automatically.
Leaving the backlight on for long periods greatly reduces battery life!
You can manually turn the backlight off by pressing LIGHT again.
Failure of the backlight to turn on indicates low battery power. Replace batteries
as soon as possible.
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