Turn The Indicator Light Off - Samsung HKT600 Manual

switch between the current call
and the held call (during a call)
switch a call from your mobile
phone to the hands-free car
kit (during a call on the mobile
phone)
To adjust the volume, turn the volume dial up or down.

Turn the indicator light off

The indicator light may distract you while driving at night. To turn the
indicator light off, press and hold the Multifunction key until you hear a
beep (longer than 8 seconds).
Even if you turn the indicator off, it will still work when the hands-free car
kit powers on, the battery is low, and in Pairing mode.
To turn it on, press and hold the Multifunction key again.
and hold the Multifunction key
the Multifunction key