Calculated Industries 3302 - Manual (Page 7)

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“none” or “Error” is displayed, depending on the
measurement situation. The unit will also display
“Error” if you make an incorrect entry, try to per-
form invalid dimensional calculations (i.e., adding
areas and volumes together) or the resulting answer
is beyond the range of the calculator. “Error” will
also appear if you enter a mathematical impossibil-
ity, such as division by zero.
There is no need to clear the “none” or “Error”
message. The next valid measurement or keystroke
automatically clears the display. The “none” or
“Error” message will not clear previously stored
values from memory.
Key Functions
[On]
On/Clear Entry Key — Turns power on. Pressed
once clears the last entry and display. Pressing
the measurement button will also turn the unit
on.
[Off]
Off Key — Turns all power off. Clears the dis-
play and all values stored in memory (M+).
[
÷
] [x] [+] [
−
] [=]
Math Operator Keys — Used for basic math
operations.
[0]-[9] & [
•
]
Digit Keys — Used for keying in numbers.