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File name: CT-780_D520_IB_E_060317 Date:
2006/3/28
Size: 9 x 12.6 cm
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
[
REPLAY
AUTO
] : Automatic replay key [
CHECK
S
] [
T
CHECK
] : Review key
[
STORE
TAX+
] :Price with tax key / To store tax rate when pressing [RATE] and [
STORE
TAX+
]
keys
[
RECALL
TAX−
] : Price without tax key / To recall tax rate when pressing [RATE] and
[
RECALL
TAX−
] keys
[RATE] : Tax rate setting key