Data Signs PTL Compact 1 Manual de operação e manutenção - Página 16
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Imprimir páginaWireless Link (RF) Explained
Each Traffic Light is fitted with an aerial located on the top of the control box. This will provide
Wireless Radio (RF) communication between the PTL units; however, the units still need to be
positioned in line-of-sight to each other.
The maximum distance is about 800m, depending on surrounding environment.
The radio link module fitted to the PTL unit communicates on one of eight channels. This
must be set to the same channel on each unit to maintain wireless communication. This
applies to the Master, Slave, and the Remote Control.
Radio Link Operation
If the radio link between the Master and a Slave unit is disrupted for a continuous 2 second
period (the default time) all units will revert to red lights and "CONTACTING SLAVE..." will be
shown on the display panel on the Master Controller.
Signal Strength
The Remote Control will display the signal strength of the Master Controller to the PTL
Remote as a Graphic symbol in the top right corner on the display. The Master and Slave
Controllers display the Signal Strength and the Battery Level on the display. The RF Signal
Strength is a value out of 5, where 5 is the strongest value.
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