Owner's manual

6—ITISHEET METAL/HVAC PRO
BASIC OPERATION KEYS
o On/Clear — Turns power on. Pressing once clears the
display. Pressing twice clears all temporary values.
O Turns all power off, clearing all non-permanent registers.
+–x Arithmetic operation keys.
÷=
Ç+ Percent (%) — Four-function percent. See page 30
for examples.
0 – 9 and • Keys used for entering digits.
B Backspace Key — Used to delete entries one key-
stroke at a time (unlike the o function, which
deletes the entire entry).
CONVERT Ç KEY —
UNIT CONVERSIONS and SECOND FUNCTIONS
The Ç key is to convert between measurement units or to access
second functions, listed below:
Ç Convert — Used with the measurement keys to
convert between units or with other keys to access
special functions.
Çx Clear All — Clears all values, including Memory.
Resets all permanent entries to default values
(except Preference Settings, which are retained).
Note: Use only when necessary, as it deletes all stored values.
X Squares the value in the display. For example, to
Square the value ten, enter 10then press X.
ÇX x
3
— Cubes the value in the display. For example, to
Cube the value ten, enter 10then press ÇX.
√ Square Root Function — Used to find the Square
Root of a non-dimensional or area value
(e.g., 100√=10).
KEY DEFINITIONS