Western Telematic MPC-20VS16-3 - Manual (Page 20)

2-8
Unit Description
4. Enable/Disable Audible Alarm:
a) In the default state, the Audible Alarm is Enabled.
b) To disable the Audible Alarm, press and hold the Audible Alarm button for three
seconds and then release it. To enable the Audible Alarm, press and hold the
Audible Alarm button for three seconds again.
c) If the optional MPC-DISPLAY unit is installed, and this operation is performed at
the MPC-DISPLAY unit, the audible alarm feature on all connected MPC units
will also be disabled. If this operation is performed at one of the connected
MPC units, then the operation will only be applied to that unit.