POWER SUPPLY

CITIZEN model CT-780 is a dual-powered (high power solar + back-up battery) calculator operative under any lighting conditions.

-Auto power-off function-

The calculator switches the power off automatically if there has been no key entry for about 7 minutes.

-Battery change-

Remove the screw and the battery cover. Install a new battery with the + symbol facing upward, and then use a pointed object to short the RESET hole at the top-right corner of the battery compartment. When you finish, replace the battery cover and secure the screw.

KEY INDEX

[ON/C] : Power on / Clear key

[CE] : Clear entry key

[00„0] : Shift-back key

[+/–] : ±Sign change key

[ ] : Square root key

[GT] : Grand total key

[00] : Double zero key

[000] : Triple zero key

[CORRECT] : Correction key

[%] : Percentage key

[M+] : Memory plus key

[M–] : Memory minus key

[MRC] : Memory recall key / Memory clear key

[MU] : Price mark-up / down key

 

[REPLAYAUTO ] : Automatic replay key

[CHECKS ] [CHECKT ] : Review key

[ +STORETAX ] :Price with tax key / To store tax rate when pressing [RATE] and [ +STORETAX ] keys

[ RECALLTAX] : Price without tax key / To recall tax rate when pressing [RATE] and [ RECALLTAX] keys

[RATE] : Tax rate setting key

- E1 -