Abbingdon Music Research DP-777 Premier Class - Manual (Page 28)

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No power when the • poor or no power plug connection • insert the power plug firmly into the AC
power button is set at power point
to ON • blown fuse at mains plug • change mains plug fuse
No sound • incorrect audio cable connections • ensure the DP-777 is correctly connected
• incorrect operation of Amplifier • ensure input selector on the amplifier is set to
DP-777
Remote control • batteries in remote control handset • replace batteries
does not work have expired
• object obscuring remote sensor
• remove any objects directly in front of the
on the DP-777, no “line of sight” DP-777
• Interference from fluorescent lights • turn off fluorescent lights or redirect the
light away from the DP-777
A “humming” sound • loose cable connections • re-attach the loose cables correctly
can be heard
Other problems • go to the Contents section and re-trace
the procedure or contact your nearest AMR
distributor/dealer
Appendix A - Troubleshooting
Symptom Possible cause Solution
Abbingdon Music Research is a subsidiary of the Abbingdon Global Group
22 Notting Hill Gate; London; W11 3JE; United Kingdom;
Tel: +44 (0) 870 420 5505; Fax: +44 (0) 700 596 1065
www.amr-audio.co.uk