Data Signs PTL Remote 운영 및 유지보수 매뉴얼 - 페이지 16

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Wireless 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.

D A T A S I G N S A U S T R A L I A P T Y L T D