POWER SUPPLY
CITIZEN model CT-600 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. Replace the battery cover and secure the screw. When
you finish, please press [ AC
O
N
] key.
KEY INDEX
[AC
O
N
] : Power on / All clear key [CE] : Clear entry key
[+/–] : Sign change key [ ] : Square root key
[ % ] : Percentage key [M
=
+
] : Memory plus key
[M=
−] : Memory minus key
[MC
R] : Memory recall key / Memory clear key
[MII+] [MII-] [MII ] : the Second Memory key
C
R
[
CORREC
T
00→0
X
] : Correction key in Replay mode / Right-shift key in normal Edit mode
[REPLA
Y
AUTO ] : Automatic replay key [RECALL
ERROR ] : Error recall key
[
CHECK
] : Step-by-step check key in normal Edit mode (a→b→c=d)
[
CHECK
] : Step-by-step check key in normal Edit mode (a←b←c=d)
[NO
W
PRE ] : Previous-input / now-input display shift key in Error Recall mode