Casio CASSIOPEIA A-20 User Manual

— 53 —
Put power supply voltage
down by degrees.
VDET1R ON
VDET2R OFF
Measure the voltage that
VDET1R becomes ON.
VDET1R= 3.3 V ± 2 %
Put power supply voltage
down by degrees.
VDET1R ON
VDET2R ON
Measure the voltage that
VDET2R becomes ON.
VDET2R= 3.0V ± 2 %
Put power supply voltage
down by degrees.
VDETS ON Measure the voltage that
VDETS becomes ON.
VDETS = 2.7 V ± 1 %
VDET1R
VDET2R
VDETS
Setting Change to connect power
supply to the terminals for
rechargeable battery.
Vr = 2.6 V
Connect the items as
shown.
Change to connect
power supply to the ter-
minals for backup bat-
tery.
Vs = 3.0 V
Connect the items as
shown.
Step Operation Display (Wiring) Note
V
-
+
A-20
Vs
Backup battery terminal
V
-
+
A-20
ChargerAC adapter
Vr
Rechargeable battery terminal

Casio CASSIOPEIA A-20 Specifications

General

Brand	Casio
Model	CASSIOPEIA A-20
Category	Handhelds
Language	English