Smart Communications Ltd SC280 사용자 설명서

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When  *(Orange)  key is pushed more than 1.5sec, the DTMF emergency signal is 

automatically transmitted. 

Note: An emergency functions are programmed by your dealer. 

To exit emergency mode, press and hold *(Orange) key again or turn off the power switch. 

 

 

When the programmed key is pushed, the man down function can be used. 

The man down function transmits emergency signal after the man down is activated for a 

period exceeding the specified time. 

Note: A Man down function is programmed by your dealer.