2. Design and Features
SPHERE
Portable Traffic Signals
Model:
ST-PS5
/ Technical Specifications, Instruction Manual and Warranty Card
11
2.3.3. TIME ADJUSTMENT – Clearance Time/All-Red
The
CLEARANCE TIME (ALL RED)
is the time interval allotted for vehicles to safely pass through the one-lane construction zone
before opposing traffic is released. During
CLEARANCE TIME (ALL RED)
the red displays are shown to all approaches.
PICTURE 5.
CLEARANCE TIME (ALL RED)
ensures that the traffic within the workzone have enough time to clear
the workzone before the other lights turn green
You can set the timing of CLEARANCE TIME (ALL RED) from 10 -180 seconds by rotating the corresponding knob to the
desired setting.
If the duration of CLEARANCE TIME/ALL-RED must be set between 11-189 seconds, e.g. 73 seconds instead of 70 or 80, move
to the paragraph
2.3.4. TIME ADJUSTMENT --- Add Seconds 1-9
.
