Pressure gauge, Vehicle speed – Class1 Digital Display User Manual
Page 15
15
Digital Speedometer calibration is performed with the vehicle speed stabilized at 40 M.P.H.
or (40 K.P.H. )
The calibration mode is entered by the use of a “password”.
There are two magnetic switches, one located at each side of the display.
These switches are activated with the use of a magnet. Switch activation is visually
confirmed by the lighting of the closest decimal point on the display.
Enter the switch sequence below to enter calibration mode.
L L L R R R
Left Switch
Left Switch
Left Switch
Right Switch
Right Switch
Right Switch
If the password is correctly entered, “
CAL
” will be displayed for 1/2 second followed by
“
40
”
Maintain a constant speed of 40 for a minimum of 10 seconds to assure an accurate and
stable calibration before activating the left switch.
Activate the left switch.
The display will read “
donE
”
and return to normal operation showing the current speed.
Calibration is now complete.
NOTE
:
C
ALIBRATION
SHOULD
BE
PERFORMED
BY
A
PERSON
OTHER
THAN
THE
APPARATUS
DRIVER
.
I
T
IS
UNSAFE
FOR
A
DRIVER
’
S
ATTENTION
TO
BE
DIVERTED
BY
ANY
TASK
OTHER
THAN
THE
SAFE
OPERATION
OF
THE
VEHICLE
.
Calibration
Vehicle Speed