Marantz PM-KI Ruby Owners Manual English - Page 25

Overview Connections n Operations cannot be performed through the remote control unit Symptom Operations cannot be performed through the remote control unit. Cause / Solution 0 Batteries are worn out. Replace with new batteries. 0 Operate the remote control unit within a distance of about 23 ft/7 m from this unit and at an angle of within 30°. 0 Remove any obstacle between this unit and the remote control unit. 0 Insert the batteries in the proper direction, checking the q and w marks. 0 The set's remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move the set to a place in which the remote control sensor will not be exposed to strong light. 0 When using a 3D video device, the remote control unit of this unit may not function due to effects of infrared communications between units (such as TV and glasses for 3D viewing). In this case, adjust the direction of units with the 3D communications function and their distance to ensure they do not affect operations from the remote control unit of this unit. 0 Press the REMOTE MODE AMP button to switch the remote control operating mode to "AMP". n No sound comes out Symptom No sound comes out of speakers. Cause / Solution 0 Check the connections for all devices. 0 Insert connection cables all the way in. 0 Check that input connectors and output connectors are not reversely connected. 0 Check cables for damage. 0 Check that speaker cables are properly connected. Check that cable core wires come in contact with the metal part on speaker terminals. 0 Securely tighten the speaker terminals. Check speaker terminals for looseness. 0 Check that the proper input source is selected. 0 Adjust the volume. 0 Cancel the muting mode. 0 No sound is output from the speakers when headphones are connected. ENGLISH Page 2 2 － 2 － － 6 Page 8 8 8 16 16 16 4 Playback Settings Tips Appendix 24