Casio FX-820MS - Manual (Page 37)

E-35
Auto Power Off
Calculator power automatically turns off if you do not
perform any operation for about six minutes. When this
happens, press
5
to turn power back on.
Specifications
Power Supply: Solar cell and a single G13 Type button
battery (LR44)
Battery Life: Approximately 3 years (1 hour use per
day)
Dimensions: 12.0 (H) ҂ 89.0 (W) ҂ 173.0 (D) mm
1 /
2
Љ (H) ҂ 3 1 /
2
Љ (W) ҂ 6 13 /
16
Љ (D)
Weight: 120 g (4.23 oz) including battery
Power Consumption: 0.0002 W
Operating Temperature: 0
°C to 40°C (32°F to 104°F)