Why Active Greens window shows all greens active continuously on GTT Opticom GPS System?
If the Active Greens window shows all greens active continuously on your GTT Cell Phone, the Green Sense AC neutral (AC–) may not be connected. Connect the green sense common (white wire) to the cabinet common.
What to do if controller does not cycle to correct green when call is placed on GTT Cell Phone?
If the controller on your GTT Cell Phone doesn't cycle to the correct green when a call is placed, consider the following: * The controller may not be programmed correctly. Program the controller. * Preempt inputs may not be enabled. Enable preempt inputs. * Excessive timing delays or minimum times may be programmed in the preempt routine. Program the controller to respond to a priority request as quickly and safely as possible. * The phase selector output wiring may be incorrect. Wire the phase selector outputs correctly. * The phase selector Logic Common/Opto-Common may not be connected correctly. Connect the phase selector Logic Common and/or Opto-Common to the controller’s Logic Common. * The phase selector outputs may not be assigned correctly. Configure the outputs corre...
What to do if GPS will not acquire on GTT Opticom GPS System Cell Phone?
If the GPS LED on your GTT Cell Phone is amber and the GPS won't acquire, consider the following: * Initial start-up can take up to 15 minutes, so please wait. * Obstructions may be blocking the Radio/GPS unit’s view of the sky. Move the unit or remove obstructions. * The garage GPS repeater may not be working. Repair or replace the GPS repeater. * RF interference may be present. Turn off the phase selector for 15 minutes, then try again. * Wiring issues may be present. Check the wiring at both ends of the radio/GPS cable, ensuring the terminal block is correctly plugged in. * Check the voltage between the brown (+) and brown/white (–) wires at both ends; it should be about 8.3 VDC. If these steps don't resolve the issue, the Radio/GPS unit or Phase selector may have failed a...
What to do if the Call LED doesn't light when a vehicle approaches GTT Opticom GPS System Cell Phone?
If the Call LED on your GTT Cell Phone doesn't light up when a vehicle approaches, here's what might be happening: * The vehicle might be out of range. Use ITS Explorer to check the ETA and range settings for all priority classes, both high and low. * The vehicle might not be transmitting. Check the View Vehicles and Intersections Heard window to confirm if the vehicle is being detected. * The approach may not be mapped, or the existing map might be too short or drawn incorrectly. Try mapping or redrawing the approach. * The radio/GPS unit could be obstructed, preventing radio reception. Try repositioning the unit. * The priority the vehicle is operating in might be shut off. Ensure the priority is enabled and the range is set. If none of these solutions work, the radio/GPS uni...
What to do for Unknown Error when attempting to communicate with phase selector on GTT Opticom GPS System Cell Phone?
To resolve an unknown error when attempting to communicate with the phase selector on your GTT Cell Phone, reset the phase selector.
Why Intersection does not display left turn arrow when approaching vehicle has the left turn signal activated on GTT Cell Phone?
If the intersection does not display the left turn arrow when an approaching vehicle has the left turn signal activated on your GTT Cell Phone, it could be due to: * The vehicle's brake light bulb being shared with the turn signal indication. * Emergency flashers being active. * The controller or phase selector not being programmed correctly. To resolve this, reconnect the vehicle turn signal sense lines to the front turn signal wires, turn off the emergency flashers, and reprogram the controller or phase selector.
What to do if Intersection alternates displaying and dropping the left turn arrow when approaching vehicle has left turn signal activated on GTT Opticom GPS System?
If the intersection alternates displaying and dropping the left turn arrow when an approaching vehicle has its left turn signal activated on your GTT Cell Phone, it could be due to: * The vehicle's brake light bulb being shared with the turn signal indication. * Emergency flashers being active. * The driver using turn signals to indicate lane changes. * The controller or phase selector not being programmed correctly. To resolve this, reconnect the vehicle turn signal sense lines to the front turn signal wires, turn off the emergency flashers, and reprogram the controller or phase selector.
Why Intersection Name not Heard listed instead of intersection name on GTT Opticom GPS System?
If 'Intersection Name not Heard' is listed instead of the actual intersection name on your GTT Cell Phone, it could be due to the following: * The name may not have been heard yet. Press the 'Get Intersections Heard' button again. * The name may not be assigned in the intersection. Assign an intersection name.
What to do if Controller locks up or displays all red when call is placed on GTT Opticom GPS System?
If the controller locks up or displays all red when a call is placed on your GTT Cell Phone, it's likely that the controller preempt routines are not programmed or are programmed incorrectly. To fix this, re-program the controller preempt routines.
What to do if Call LED lights but controller will not respond on GTT Opticom GPS System Cell Phone?
If the Call LED on your GTT Cell Phone lights up, but the controller doesn't respond, here are some possible reasons: * The phase selector outputs may not be wired correctly. Verify that they are wired to the correct controller preemption inputs and logic ground. * The phase selector outputs may not be configured correctly. Ensure that the outputs are configured correctly. * The controller preemption inputs might be inactive. Turn the inputs on. If the issue persists, the phase selector outputs or controller preemption inputs may have failed. Check that the controller does not see preemption input, replace phase selector. In case of controller preemption inputs failure replace controller.
Explains the format, meaning, and importance of safety messages and labels.
Covers general safety, PPE, work zone control, electric shock, disposal, and FCC compliance.
Provides considerations for mounting the Model 1010 Radio/GPS unit, including location and orientation.
Details the step-by-step process for installing the Model 1010 Radio/GPS unit.
Guides the installation of the Model 1012 Radio, including antenna mounting and radio mounting.
Covers system configurations and the installation of phase selectors into Type 170 controllers.
Outlines installation steps for NEMA controllers, including card rack, phase selector, and wiring.
Describes the front panel indicators on the phase selector and their meanings.
Details the front panel switches on the phase selector and their functions.
Lists common installation and setup problems with their causes and solutions.
General| Brand | GTT |
|---|---|
| Model | Opticom GPS System |
| Category | Cell Phone |
| Language | English |
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