About The El Backlight - Casio SF-4700C User Manual

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Before using the unit for the first time
4, Load the new battery into the battery compartment, making sure that the
positive (+) side of the new battery is facing up (so you can see it).
5. Slide the battery holder back to its original position as indicated by the arrow
in the illustration.
- Battery holder
6. Slide the battery switch to the "REPLACE 2, 3" setting and repeat steps 3
through 5 for the other batteries.
«
Besuretoload all three batteries, using CR2032 lithium batteries only. Never
mix old batteries with new ones.
:
7. Slide the battery switch to the "NORMAL" setting.
.
«
You will not be able to turn the unit on if the battery switch is not in the
"NORMAL" setiing,
Replace the battery compartment cover.
Press ON to switch power on.
«
At this time, one.of the following messages appears cn the display.
A/ARE
YOU_USING_A
NEW UNIT
FOR
THE.
FIRST
TIME?
Bi CLEAR
MEMORY
AND
SET UP_THE
UNIT
FOR OPERATION?
We
OFF
«
IfMassage B appears, skip step 10 and continue from step 11..
+
If these messages do not appear, apen the battery compariment and press
the RESET button. And then skip step 10 and continue from step 11.
10. Use "@ to move the highlighting to YES, and press SET.
*
This causes Message B to appear on the display.
11. Use <€ to move the highlighting to YES, and press-SET.
«
After the RESET operation is complete, the LANGUAGE screen appears on
the display.
;
.
.
.
.
12. Use the procedure under "To select the system language" on page 5 toselect
a system language.
_
13. Check the Home Time setting and make changes if necessary (page 59).
About the EL backlight
About the EL backlight -
.
*
This unit is equipped with an EL backlight that allows easy viewing of display
_, contents in a theater, or anywhere else where lightingis dim.
°
Note, however, that frequent or extended use of the EL backlight shortens
"battery life,
Ds
;
The following shows how backlight use affects battery life under controlled test
conditions,"
,
cabot
at
[ Beckight Operation | BatlewyLie |
[Srminutes pernour | Approximaiey
HOw |
15 minutes per hour. | Approximately 30 hours oe,
* Test Conditions
;
re
;
*
"Battery Life" is the number of hours before battery failure when the unit is left
on with 5 minutes of.a processing operation and 55 minutes of continuous
: display only (no processing operation) per. hour, plus tha backlight operation
described below.
,
.
.
.
re
*
"Backlight Operation" is the number of minutes the backlight is turned on per
. hour during the display only {no processing operation) period.
_
Important! ,
'
.
;
_
.
.
oe
The EL backlight may fail to operate when battery power is low, inorder te
conserve remaining battery power and protect cata stored in mamory.

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