Canon EOS-1DX Instruction Manual

Also see for EOS-1D Mark II Digial: Instruction manual Instruction manual Product guide Instruction manual Instruction manual

Contents

374The date/time (backup) battery maintains the camera’s date and time.Its service life is approx. 5 years. If the date/time is reset when camerais turned on, follow the procedure below to replace the backup batterywith a new CR2025 lithium battery.The date/time/zone setting will also be reset, so be sure to set thecorrect date/time/zone (p.40).1 Set the power switch to <2>.2 Remove the battery.The backup battery is on the ceiling ofthe battery compartment.3 Remove the back-up batterycover.Use a small screwdriver to loosen thescrew and remove the cover.Be careful not to lose the cover andscrew.4 Remove the battery.Stick a piece of tape to the batteryand take out the battery.5 Install a new back-up battery.The plus side of the battery must faceup.6 Attach the cover.Replacing the Date/Time Battery(+)For the date/time battery, be sure to use a CR2025 lithium battery.COPY