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E-27
5 Replace the battery cover and secure it in place with
the screw.
6 Press
5 to turn power on.
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:
fx-570MS: Single G13 Type button battery (LR44)
fx-991MS: Solar cell and a single G13 Type button
battery (LR44)
Battery Life:
fx-570MS: Approximately 9,000 hours continuous
display of flashing cursor.
Approximately 3 years when left with power
turned off.
fx-991MS: Approximately 3 years (1 hour use per day).
Dimensions: 12.7 (H)
҂ 78 (W) ҂ 154.5 (D) mm
1
/2Љ (H) ҂ 3
1
/16Љ (W) ҂ 6
1
/16Љ (D)
Weight: 105 g (3.7 oz) including battery
Power Consumption: 0.0002 W
Operating Temperature: 0°C to 40°C (32°F to 104°F)