© 2022 Johnson Level & Tool — 1
KEY DEFINITIONS
BASIC FUNCTION KEYS
Arithmetic operation keys .
and
Keys used for entering numbers .
Percent Key
: Four-function (+, –, x, ÷) percent key .
Off Key
: Turns all power off, clearing all non-
permanent registers .
On/Clear Key
: Turns on power . Pressing once
clears the display . Pressing twice clears all
temporary values .
Convert Key
: Used with the dimensional keys to
convert between dimensions or with other keys
to access special functions .
Store Key
: Used for storing values .
Recall Key
: Used with other keys to recall stored
values and settings .
+
%
Off
On/C
Conv
Stor
Rcl
÷
−
=
•
×
