Citizen CT-300J Manuel D'instructions page 2

* POWER SUPPLY
CITIZEN model CT-300J 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 5 minutes.
-Battery change-
If the back-up battery needs to be changed, open the lower cabinet to remove the old
battery and insert a new battery in the indicated polarity. After changing battery, please
use a metal, elliptical object to press the RESET pad on printed circuit board.
* KEY INDEX
ON
[ ] : Power on / Clear / Clear entry key
C ． CE
[ ] : Square root key
+
[M = ] : Memory plus key
[MRC] : Memory recall key / Memory clear key
[ ] : Right-shift key in normal Edit mode
00 0
AUTO
[ ] : Automatic replay key
REPLAY
[ CORRECT ] : Correction key in Replay mode
[ ] : Step-by-step check key in normal Edit mode (a→b→c=d)
CHECK
[ CHECK ]: Step-by-step check key in normal Edit mode (a←b←c=d)
* THE SIGNS OF THE DISPLAY MEAN THE
FOLLOWING:
: Item counter (Max : 120)
MEMORY : Memory loaded
–: Minus ( or negative) value
ANS : Answer (to indicate the calculation result in Replay mode)
＋ － × ÷ : Addition, subtraction, multiplication, division sign
File name: CT-300J_English_.doc
Date: 2008/8/19
Size: 7 x 11.5 cm
[+/–] : Sign change key
[ % ] : Percentage key
−
=
[M ] : Memory minus key
CRT : Correction mode
ERROR : Overflow / Logic error
% : Percent
English
REP : Replay mode
= : Equal sign