9366-2 Maintenance6-2-1 CondensationThe water vapor in the air may form as tiny droplets on thehead drum when the unit is moved from a cold location to awarm location or used in a very humid place. Thisphenomenon is known as condensation, and running thetape under these conditions is liable to cause the tape tostick to the drum.Note the following points:≥ Remove the tape when the unit’s operation is to be startedin conditions where condensation may form.≥ Before loading the tape, set the power switch to ON, andcheck that the HUMID display is not lighted in the displaywindow.For safety reasons, the HUMID display will flash and thedrum will rotate for 80 minutes after condensation detectionis released.During this time, the operation buttons cannot be operated.6-2-2 Head cleaningUse the AJ-CL12MP cleaning cassette if the heads need tobe cleaned. Take care to read the instructionsaccompanying the cleaning tape since the video heads maybe damaged if the tape is not used in the correct way.6-2-3 Cleaning inside the viewfinder≥ Do not use thinners or any other solvent to remove dirt.≥ Use a lens cleaner available on the market to wipe thelens.≥ NEVER wipe the mirror.If dirt or dust has found its way onto the mirror, remove itusing an air blower at retail outlets.6-2-4 Phenomena inherent to CCDcamerasSmearThis phenomenon may occur when very bright subjects areshot.This phenomenon is more conspicuous when the electronicshutter speed is faster.White dot defectsFor shooting in a high temperature environment using the DSGAIN, red, green, or blue dots may appear on the screen.Adjust the DS. GAIN and the S. GAIN in accordance with theoperating environment.6-2-5 Replacing the backup batteryThe backup battery is already installed when the unit isshipped.When it has discharged, the “BACK UP BATT EMPTY”display appears for 3 seconds on the viewfinder screen whenthe POWER switch is set to ON.Moreover, the time code value of the TCG will be set to“00:00:00:00” and the backup of the time code value will nolonger be possible: this means that the backup batteryshould be replaced.Consult with your dealer, and replace the spent battery witha new battery (CR2032).Chapter 6 Maintenance and inspections (continued)
