3M MP8760 - Manual (Page 27)

22 3M

Multimedia Projector MP8760

3M IPC 2000
ENGLISH
Humming noise.
Slowly passing
horizontal bars. • Signal sources are
connected to different
power sources.
• VCR connected to
aerial system and to
projector.
• Bad signal.
• Locate the source of disturbance. Disconnect the sources
one after another from the projector. Connect all sources to a
common power source.
• Remove antenna connection from VCR. If the disturbance
disappears, use a by-pass filter (isolating transformer) to
connect the antenna to the VCR.
• Try different input source.
! ! ! ! Note
The factory default settings of the projector can be restored by pressing Enter and Mute
simultaneously on the control panel when switching on the main power switch of the
projector and pressing the Standby button afterwards.
The projector will start immediately and the message “Parameter factory settings restored”
displayed in the starting screen will indicate the default settings are reset.
7-2. Service Information
For product information, product assistance, service information, or to order accessories or spare parts, please call:
In U.S. or Canada: 1-800-328-1371
In other locations, contact your local 3M Sales office.