A
cc
id
en
t
R
eco
n
U
se
VC4000 Manual
28
7. For a custom test, if you wish to do another test on the same
slope (in the same direction) do not press the
CLEAR / NO
key and the VC4000 will retain the calibration for that grade
and use the same custom distance. Press the Acceleration
key, select
Repeat Last Run
and repeat step #5.
To perform a preset speed test
1. Drive to the area where you want to take a measurement,
where the slope is the consistent.
2. To power on, press the
POWE R
key and hold for 1 second
until the unit beeps.
3.
From the “READY” screen press the
1
Acceleration
key with the
vehicle at a complete stop. The VC4000 will zero adjust the
accelerometers, show the available record time in seconds,
display the run number being saved, and then display:
4. Choose one of the presets shown or choose Custom. For
Custom, scroll down to
Speed
and press
ENTER / YES
.
5.
Type in the “START FROM” speed in mph or kph and press
ENTER / YES
. Then type in the “UP TO” speed and press
ENTER / YES
.
6. The VC4000 will display 'Auto-Start-Ready' and the current
G reading.
7. Accelerate the vehicle until the VC4000 beeps indicating it
has reached the preset speed.
8. For a custom test, if you wish to do another test on the same
slope (in the same direction) do not press the
CLEAR / NO
key and the VC4000 will retain the calibration for that grade
and use the same custom speed. Press the Acceleration
key, select
Repeat Last Run
and repeat step #6.
0-30 mph
0-60 mph
0-80 mph
0-100 ft
0-300 ft
0-5 sec
Custom
AutoStart 1/4 mile