
SEHT 30-75B USER MANUAL Edition 1.0
Page 5
To disable the auto shut off feature simply move the switch (located in the right side of
the battery bay to the disabled position.
The auto shut off feature operates as follows:
If the SH30-75B is not connected to a live intercom and there is no auxiliary or
Bluetooth audio, it will auto shut off in approximately 5 minutes.
If the SH30-75B is not connected to a live intercom but there is a Bluetooth or
auxiliary audio, it will auto shut off in approximately 60 minutes.
If the SH30-75B is connected to a live intercom it will not automatically turn off.
Please Note: If the SH30-75B shuts off unexpectedly after 5 minutes it is recommended
to disable the auto shut off feature.
Power Selection
ON: Press the power button for more than 1 second then release (If power button is
pressed for more than 3 seconds the SH30-75B will switch on and then off). The
power LED will illuminate and an audible command will be heard in the headset.
OFF: Press the power button for 1 second, the power LED will extinguish and an
audible command will be heard in the headset.
Bluetooth
Press and hold the Bluetooth button for more than 1 second the SH30-75B will start to
search for previously connected devices, if none can be found it stays in the search
phase.