Switches - GTT Opticom GPS System Installation Manual

Intersection Equipment Installation Instructions
Table 7-1 lists the LED indicators on the front
panel of the phase selector, the color or condition
of the LED, and what it means.
Indicator
POWER
A
B
C
D
GPS
RADIO

7.2 Switches

Opticom™ GPS System Phase Selectors have the
following three switches:
•
Power On/Off Switch
•
Test Initiate Switch
•
Function Select Push-Wheel Switch (10-
position)
The Power On/Off switch turns the phase selector
power on and off. The POWER LED turns green
when power is applied to the phase selector.
Table 7-1. Phase Selector Indicators
Color or Condition
Green
Amber*
Green*
Amber*
Green*
Amber*
Green*
Amber*
Green*
Amber
Green
Amber
Green
* Flashing indicator means the call is present, but the output is
pending.
Meaning
Power applied to phase selector
Low priority call on channel A
High priority call on channel A
Low priority call on channel B
High priority call on channel B
Low priority call on channel C
High priority call on channel C
Low priority call on channel D
High priority call on channel D
Not receiving GPS, radio not transmitting
GPS has a good 3D fix
No communication between radio/GPS unit
and phase selector
Good communication between radio/GPS
unit and phase selector
The Function Select push-wheel switch is
designed to act in conjunction with the test
initiate switch to provide different operations.
Table 7-2 lists the mnemonics you can select
using the push-wheel switch and describes the
function the phase selector will perform when the
test initiate switch is activated. Refer to the
Operation Manual and ITS Explorer Help files for
details. The outputs must be assigned using ITS
Explorer.
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