EL-531V Operation Manual
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... display has poor contrast, the batteries require replacement. Turn the power off to use only a SHARP servicing dealer, SHARP approved service facility, or SHARP repair service where available. Operational Notes To ensure trouble-free operation, please observe the following handling rules...stated in STAT mode) 3V ¶ (DC): [EL-509V/EL-531V] Alkaline batteries (LR44) × 2 [EL-509VH/EL-531VH] Heavy duty manganese batteries (size AA or R6) × 2 0.0006 W [EL-509V/EL-531V] Approx. 2500 hours [EL-509VH/EL-531VH] Approx. 15000 hours when continuously displaying 55555. Caution ...
... display has poor contrast, the batteries require replacement. Turn the power off to use only a SHARP servicing dealer, SHARP approved service facility, or SHARP repair service where available. Operational Notes To ensure trouble-free operation, please observe the following handling rules...stated in STAT mode) 3V ¶ (DC): [EL-509V/EL-531V] Alkaline batteries (LR44) × 2 [EL-509VH/EL-531VH] Heavy duty manganese batteries (size AA or R6) × 2 0.0006 W [EL-509V/EL-531V] Approx. 2500 hours [EL-509VH/EL-531VH] Approx. 15000 hours when continuously displaying 55555. Caution ...