Adjusting The Volume; Adjusting The Microphone Sensitivity - Sennheiser HME 43-K Instructions For Use Manual

Adjusting the volume

Adjust the volume directly on the intercom.
ATTENTION!

Adjusting the microphone sensitivity

H The microphone sensitivity has been factory pre-set. If
necessary, you can change the microphone sensitivity
by turning a small screwdriver in the direction of the
arrow.
4
High volume!
This headset is capable of producing high
sound pressure levels. Higher volumes or
longer durations can damage your hearing!
Set the volume to a medium level. Make sure
that you can hear critical sounds such as
warning alarms.