User's Manual

BHF1800 user’s guide DriveNTalk’s Confidential Proprietary
5 of 16
* Key description
Instruction Duration of press
Tap Press briefly (0~0.75 sec)
Double Tap 2 quickly repeated taps (max 0.5 sec interval between taps)
Press Press and release for approx. 0.75~2.0 seconds (after 1
beep)
Long Press Press and release for approx. 2~4 seconds (after 2 beeps)
Very long Press Press and release for more than 5.0 seconds