I have a JVC GR-DVM90 digital vidio camera. I turn it on and try to do anything with it involving rolling of tape, playing, taping, fast forward or backword. When that is attempted, the unit hums for a second, then displays this error message: "E04 Unit in Safegard mode" Then it shuts off. The manual's trouble shooting sections says I should try removing the battery/power supply for several minutes. Hopefully that will allow the "brains" of the unit to reset and return to operation. I tried several times. The manual says that if multiple failures of resetting are experienced, contact a JVC dealer for assistance. The dealers know very little. JVC has a Customer Service phone number. They said I could send it in and for a $70 fee they will evaluate the unit. Repair could cost much more. It's about a 4 year old unit. New updated versions of such a camera are very competatively priced. I rarely used the camera. Only six tapes have been filled in 4 years. I use the still camera feature more. What to do. David Palm Springs, CA

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