GN Netcom GN 4150 - Manual (Page 7)

2. Install the 2 AA batteries
at the bottom of the amplifier.
You can also purchase an optional
9VDC @ 50ma AC Adapter, available
at most electronics stores or through
GN Netcom (Part No. 760-0050). 3. Put the Headset on and set the
Headset/Handset Selector to Headset.
4. Position the Speaker Volume Wheel
to mid-range.
5. Set the Telephone/Computer Selector
to Telephone (top position).
13 12
Setting Up