23
Troubleshooting
A disc or fi le is playing, but no sound is coming from the speakers.
Make sure the external/internal speaker switch is set to internal speakers.
Make sure the music master volume is turned up.
If you are playing a VOB fi le from an SD card or jumpdrive, it may not function as VOB fi le playback is not supported.
The disc player will not play a particular disc.
Make sure the input select is set to DVD.
Make sure the disc is not scratched or dirty.
Some types of recorded discs may not be compatible with the HERO-RV.
The Graphic EQ has no effect on the music.
Make sure the EQ ON/OFF button is set to ON.
Microphone audio is not present in the speakers.
Make sure the mic is switched on.
Make sure the MIC/LINE button on the mic channel is set to MIC.
Make sure the mic channel and master mic volume are turned up.
An instrument such as a guitar or keyboard that is plugged into the MIC/LINE channels cannot be
heard via speakers.
Make sure the MIC/LINE button on the input channel is set to MIC.
Make sure the channel and master mic volume are turned up.
No microphone audio is present in the FR/FL, or digital audio outputs.
This is not a malfunction. Microphone audio is not output through these channels.
No Wireless microphone audio is present.
Make sure the wireless mics are switched on.
Make sure the volume is turned up on the wireless mic module.
Make sure the mic channel and mic master volume are turned up.
Make sure the microphone battery is charged and installed correctly.
If there is a wired mic or instrument plugged into the same channel as the wireless mic, it will switch off the wireless
mic, make sure that cables are only plugged into unused channels.
A USB Jumpdrive or SD card is not playing.
Make sure the input selector is set to USB or SD.
Make sure the card or drive is formatted with FAT or FAT32. NTFS format cannot be read by the HERO-RV.
If you are playing a VOB fi le from an SD card or jumpdrive, it may not function as VOB fi le playback is not supported.
The remote control is not working.
Make sure the HERO-RV is powered on.
Make sure you are within 23 feet of the HERO-RV.
Make sure the remote control batteries are not dead.
