Vaisala MD30 Setup Manual page 7

4.2
4.1
Calibration Step 2: Plate Adjustment
Plate adjustment minimizes the e ects caused by di erent installation heights and di erences
between individual mobile sensors. Repeat this procedure when changing the installation position.
Requirement
Mobile sensor placement
Vehicle position
Reference plate surface
Conditions, indoors
Conditions, outdoors
Open the reference plate container. Check that
2
the reference plate is clean and dry. If it is not,
carefully remove the dirt.
Place the reference plate so that the line from the
3
sensor is towards the edge of the container.
Depending on your system:
5
- System type 1: In RoadAI phone, go to the menu and select Dry Reference > Plate Reference.
- System type 2: Through MD30 interface, give the command
The adjustment takes typically 30 seconds. If the adjustment was not successful, repeat the
procedure. In the RoadAI phone, check possible error messages from Diagnostics.
6
Close the container.
Description
Installed on vehicle
At a standstill
Dry, no condensation
Clean and dry space
No precipitation or fog
!
CAUTION!
Handle the reference plate with care and keep it clean. Avoid scratching
the surface. The reference plate is made of optically reflective material.
Before you start, check that the markings in
1
the body and hood are aligned as shown.
Check that the mobile sensor is
4
powered and operational (green
LED in the mobile sensor is blink-
ing). Check that there are no error
messages.
SET REFERENCES > PLATE
M212169EN-C
.