XE-A213 (serv.man4). XE-A213 Service Manual - Sharp ECR Service Manual (repair manual). Page 7

XE-A203V/A213V

SPECIFICATIONS

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For memory back up, three alkaline batteries LR6 ("AA"size) are needed.
For memory back up, the dry battery AA (3 pieces) are needed.

1. Memory Holding time :

Approximate 1 year after New dry batteries are inserted.

2. Battery exchange method:

When the indication “LOW BATTERY”  appear on the LCD, batteries
must be exhanged by the following mannor within 2 days.

1) Power on the ECR.

2) Turn Mode switch to “REG” mode .

3) Release the Old dry batteries (3 pieses).

4) Insert the New dry batteries (3 pieses).

5) Confirm the indication “LOW BATTERY” disappear.

Low battery indication will appear in upper line of display when the bat-
tery voltage is low.

When any numeric entry & any item entry is not done or just
after finalization.

The machine can indicate the low battery condition. (Always)

When numeric entry or item entry is done.

Battery condition will not appear.
Exceptionally, when the power is restored after a power failure, the
low battery condition will appear on the display only when the bat-
tery is low.
And the indicator will disappear after any key entry.

Note: “NO BATTERY”: When the “NO BATTERY” is display, the master

reset is executed at the timing of “POWER ON”
after the “POWER OFF”.

OPERATER

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NOTE

Low battery.
You have to change the batteries.

LOW BATTERY 

No battery.
You have to change the batteries
immediately.

NO BATTERY