Clark Systems MVD1001 Справочник и руководство по установке - Страница 7

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Tilt adjustment

THERE IS NO TILT ADJUSTMENT. The bracket provides a fixed tilt angle (of 10
is appropriate for most applications where the detector is mounted on a signal head at a
height of approximately 3.5m. This recommended tilt angle is designed to provide the best
return signal reception whilst avoiding multi-path signals and no attempt should be made
to vary it. Range is determined electronically and is not affected by changing the tilt angle.
Please consult supplier in extreme situations of mounting height or road incline for further
advice.
Pan adjustment.
The detector can be mounted either side of the carriageway. The appropriate angle
should be selected according to Table 3. The pan-angle is defined in Figure 1. Small
variations in pan may be used to accommodate roads that are not aligned at 90
signals. The angle chosen should be intended to maximize return signal in the required
detection area and minimize masking signals from vehicles outside the required detection
zone.
Figure 1 -
Pan - Angle Definition
No Detection Zone
(normally receding traffic)
Note: This diagram illustrates the
layout for vehicles driving on the left-
hand side of the road (as in UK).
For right-hand side diagram should
be 'mirrored').
S00104101MVDHandbook.doc
July 2002
Required Detection Zone (normally
approaching traffic)
o
O
Detector
Single Lane
o
Type
N
O
MVD1001
7
Table 3 - Pan-Angle Specifications
o
N
Two Lane
o
o
o
O
N
O
O
O
O
16
14
16
o
) which
O
to the
Kerb
7