#1 How do I replace the fuse in the Rockville RPM80BT mixer?
To replace the fuse, use a screwdriver to release the fuse holder, remove the fuse holder, and then replace the fuse (Page 13).
#2 What should I do if there is no sound coming from the mixer?
Check that all appropriate cables are plugged in correctly, ensure the Master Volume settings are adjusted, and verify that the individual level control of each channel is set properly (Page 12).
#3 What steps should I take if my Bluetooth device fails to connect to the RPM80BT?
Ensure both devices are turned on and discoverable, turn them off and on again, and make sure the Bluetooth device is within 5 feet of the unit (Page 12).