Timer
Short pressing TIMER button sets the timer. Long pressing TIMER starts/ends the timer. This button
only works in High Risk (Red) zone as green and yellow zones do not have work time limits.
Wireless paging (optional )
3
Trigger Press PAGE key to call the remote pagers. Paging signal covers 200 meters on average, but
the coverage varies with topology.
Pager When triggered by TWL-1S, the pager beeps and vibrates. Press the side button to stop. Both
red zone and the expiration of work timer trigger the pager 3 times with 1min interval.
Battery
Alkaline batteries can sustain more than 120 hours when operated continuously. Dry batteries and
rechargeable batteries are also applicable but with shorter lifetime. Download data when the
battery bar is empty, otherwise some data might be lost.!
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