12
Keyboard
FEED RA
(+)
PO
X/RF
(X)
−
(-)
7 8 9
TAX #/NS
%
4 5 6
CALC CH
VD
1 2 3
DPT2
SUB
TOTAL
C
0 00 .
DPT1
CASH
(=)
Calculator Functions
Press
CALC
to enter calculator mode:
•
Use the
RA
as the plus key (to add).
•
Use the
–
as the minus key (to subtract).
•
Use the
X/RF
as the multiply key.
•
Use the
CASH
as the = (equal) key.
Examples:
Calculation Key
Sequence
10 + 20 = 30
CALC
,
1
,
0
,
RA
,
2
,
0
,
CASH
100 – 20 = 80
CALC
,
1
,
0
,
0
,
–
,
2
,
0
,
CASH
100 – 20 + 50 = 130
CALC
,
1
,
0
,
0
,
–
,
2
,
0
,
RA
,
5
,
0
,
CASH
Содержание ER-150II
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