The
CAL
key is used to enter and exit the calibration mode. This mode is used to
adjust the sound-velocity value that the
MX-3
will use when calculating thickness. The tool
will either calculate the sound-velocity from a sample of the material being measured, or
allow a known velocity value to be entered directly (see page 9 – 10).
The
IN/MM
key is used to switch back and forth between inches and mm. This
key may be used at any time.
This key has two functions:
CAL
SCAN
IN
MM
1. When the
MX-3
is in calibration mode, this key is used to increase numeric
values on the display. An auto-repeat function is built in, so that when the key is held
down, numeric values will increment at an increasing rate.
2. When the
MX-3
is not in calibration mode, this key switches the SCAN meas-
urement mode on and off (see page 11).
SCAN
This key has two functions:
1. When the MX-3 is in calibration mode, this key is used to decrease numeric val-
ues on the display. An auto-repeat function is built in, so that when the key is held down,
numeric values will decrement at an increasing rate.
2. When the MX-3 is not in calibration mode, this key switches the display back-
light between three available settings:
•
OFF will be displayed when the backlight is switched off.
•
AUTO will be displayed when the backlight is set to automatic mode and
•
ON will be displayed when the backlight is set to stay on. In the AUTO setting the
backlight will illuminate when MX-3 is actually making a measurement.
The Display
The numeric portion of the display consists of 4 complete digits preceded by a
leading “1“, and is used to display numeric values, as well as occasional simple words, to
indicate the status of various settings.
When the
MX-3
is displaying thickness measurements, the display will hold the value
measured, until a new measurement is made.
Additionally, when the battery voltage is low, the entire display will begin to flash. When
this occurs, the batteries should be replaced.
These eight vertical bars form the Stability Indicator. When the
MX-3
is idle, only the left-
most bar and the underline will be on.
Operation
MX-3
Manual
Rev:00
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