36
When the display characters are dim or show the follow
message on the screen, turn the calculator off and replace
the lithium battery immediately.
Please replace the lithium battery using the following
procedures,
1. Press to power off the calculator.
2. Remove the screw that securely fixes the battery cover
in place.
3. Remove battery cover.
4. Remove the old battery with ball pen or similar sharp
object.
5. Load the new battery with positive “+” side facing up.
6. Replace the battery cover, screw, and press ,
to initialize the calculator.
Caution:
Risk of explosion if battery is replaced by an
incorrect type. Dispose of used battery according
to the instruction.
Electromagnetic interference or electrostatic discharge
may cause the display to malfunction or the contents of
the memory to be lost or altered. Should this occur,
press , to restart the calculator.
BATTERY REPLACEMENT
!
LOW BATTERY
Summary of Contents for F-718SG
Page 1: ...F 718SG F 718SA SCIENTIFIC CALCULATOR USER INSTRUCTIONS ENGLISH E IE 449 ...
Page 39: ...MEMO 39 ...
Page 40: ...MEMO 40 ...