Canon MD 235 Instruction Manual

Also see for MD 215: Manual

Contents

2IntroductionCleaning the Video HeadsDigital video camcorders record video signals onto the tape in very thin lines (as thinas 1/8 the width of a hair). The following anomalies may appear if the video headsbecome dirty even a little.• Mosaic or other blocky video artifacts (Fig. 1) or banding(Fig. 2) appear on the picture during playback.• Sound becomes distorted, or there is no sound duringplayback.• The message “HEADS DIRTY, USE CLEANING CASSETTE”appears.If such symptoms appear, clean the video heads with theCanon DVM-CL Digital Video Head Cleaning Cassette* or acommercially available dry cleaning cassette.If the symptoms reappear shortly after the cleaning, thevideocassette may be defective. Stop using it.* Availability differs from area to area.Video heads may become dirty under the following conditions:• When using the camcorder in humid or hot places.• When using cassettes with damaged or dirty tapes.• When using the camcorder in dusty places.• When using the video heads for a long time without cleaning them.NOTES• Before you make important recordings, clean the video heads and make a test recordingfirst. We also recommend cleaning the video heads after use, before storing thecamcorder.• Do not use wet type cleaning cassettes as this may damage the camcorder.• Even after cleaning the video heads you may not be able to play back correctly tapesthat were recorded with dirty video heads.Fig. 1Fig. 2COPY