Calculated Industries 3401 - Manual (Page 3)

o
- On/Clear Key
Turns power On. Pressing once clears the
display. Pressing twice clears all temporary
values.
O
- Off
Turns power Off, clearing all non-perma-
nent registers.
+ – x ÷ =
Arithmetic Operation keys.
%
Four-function (
+ – x ÷
) Percent key.
0
-
9
and
•
Digits used for keying in numbers.
b
Backspace key; for backing up/deleting
wrong entry one digit at a time.
s
Used to set or access second functions.
Also used to set the number of decimal
places (see
“Decimal Place Selection”
on page 5).
s – - Change sign (+/-)
Toggles the displayed value to positive
or negative.
U
SER
’
S
G
UIDE
- 1
KEY DEFINITIONS