Operation Manual
41
Troubleshooting
Refer to the list of possible symptoms, and solutions may be found here.
The unit cannot be switched on.
• Checkifthebatteryisnotdrained.Seepage39.
• Checkthebatteryreplacementswitch;itshouldbesetatthe‘NORMAL
OPERATION’position.Seepage5.
• Checkthepolarityofthebattery.Seepage5.
• VerifytheLCDcontrastsetting;thepowermaybeswitchedon,butthemessage
on the screen may not be visible. See page 13.
• Iftheabovesettingsappearnormal,thenpresstheRESETswitch.Seepage40.
The screen is dark or light.
• AdjusttheLCDcontrast.Seepage13.
The key sound cannot be heard.
• ThekeysoundmaybesettoOFF.Seepage12.
The unit does not respond to a key press.
• PresstheRESETswitch.Seepage40.
The unit shuts off automatically.
• TheAutopowerofffunctionisinaction.TheactivationintervaloftheAutopower
offfunctioncanbeadjusted.Seepage12.
The desired word cannot be found.
• Avariantformofthewordmayhavebeenentered.Entertheoriginalform.
• UsetheSpellcheckfunctiontoverifythecorrectspelling.
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