E-77
1. Press
!A
(OFF) to turn off the calculator.
To ensure that you do not accidentally turn on the
calculator while replacing the battery, slide the hard case
into the front of the calculator.
2. On the back of the calculator, remove the screw and the
battery cover.
3. Remove the old battery.
4. After wiping a new battery with a dry cloth, load it into the
battery compartment with its plus
k
side facing upwards (so
you can see it).
5. Replace the battery cover and secure it in place with the
screw.
6. Initialize the calculator by pressing
!
j
(CLR)
d
(All)
w
.
Be sure to perform this step! Do not skip it!
A
Auto Power Off
Your calculator will turn off automatically if you do not perform any operation for about 10
minutes. If this happens, press the
p
key to turn the calculator back on.
Specifi cations
Power Requirements:
Solar Cell: Built into front of calculator (fi xed)
Button Battery: G13 type (LR44) × 1
Approximate Battery Life:
3 years (based on 1 hour of operation per day)
Operating Temperature: 0˚C to 40˚C (32˚F to 104˚F)
Dimensions: 12.2 (H) × 80 (W) × 161 (D) mm
1
/
2
" (H) × 3
1
/
8
" (W) × 6
5
/
16
" (D)
Approximate Weight: 105 g (3.7 oz) including the battery
Bundled Accessories: Hard Case
ScrewScrew
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