Casio A-10 - Diagnostic Program; Introduction

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DIAGNOSTIC PROGRAM
Introduction
The following steps must be followed before diagnostics.
❋Make sure that Battery Holder Release
switch is on “NORMAL OPERATION” side.
START
Load main
batteries
Remove Main
and Backup
batteries
Press ON
Display appear?
Press RESET
button and then
ON
Adjust Contrast
Dial
Replace
batteries with
new one
Display appear?
Display appear?
Display appear?
Repair needed To Diagnostic
YES
YES
YES
YES
NO
NO
NO
NO