Casio A-10 - Voltage Detectors Check

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Setting
Connect the items as fig-
ure.
VDET1 OFF
VDET2 OFF
VDET1R OFF
VDET2R (indefinite)
VDET3 OFF
VDETS ON
Recharge OFF
CHKPRG OFF
AC Adapter USED
Cover CLOSED
CardLock CLOSED
Cradle NOT STAY
ENTER, 7, 1
Put power supply voltage
down by degrees.
VDET1 ON
VDET2 OFF
Measure the voltage that
VDET1 becomes ON.
VDET1 = 2.0 ± 0.04 V
Put power supply voltage
down by degrees.
VDET1 ON
VDET2 ON
Measure the voltage that
VDET2 becomes ON.
VDET2 = 1.6 ± 0.04 V
VDET1
VDET2
Voltage Detectors Check
Check the following detectors;
VDET1: Low battery message detector for alkaline batteries.(2.0 ± 0.04 V or under)
VDET2: Foced power off detector for alkaline batteries.(1.6 ± 0.04 V or under)
VDET1R: Low battery message detector for rechargeable battery.(2.3 ± 0.03 V or under)
VDET2R: Foced power off detector for rechargeable battery.(1.9 ± 0.02 V or under)
VDETS: Low battery message detector for back-up battery.(2.7± 0.03 V or under)
Vb = 2.6 ± 0.02 V
Step Operation Display (Wiring) Note
V
-
+
A-10/A-11
Charger
AC adapter
Vb
Alkaline battery terminal