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Upgrading the Firmware for the D300

The D300 has two sets of firmware, A and B, which must be updated separately. After

updating the A firmware, repeat steps 4–5, below, to upgrade the B firmware.

Important

The camera may be damaged if power is interrupted or camera controls are operated during the

update. Do not turn the camera off, remove or disconnect the power source, or operate camera

controls during the update. If the update is not completed successfully and the camera becomes

inoperable, take the camera to a Nikon-authorized service representative for inspection.

Get ready

To upgrade the camera firmware, you will need:

The camera

A UC-E4 USB cable or a memory card reader

One of the following power sources:

An EH-5/EH-5a AC adapter

A fully-charged EN-EL3e rechargeable Li-ion battery

file:///K|/En/En/d300ab_mac_en_ABF.html (1 of 8) [6/18/2010 3:43:37 PM]

Upgrading the Firmware for the

Macintosh

Thank you for choosing a Nikon product. This guide describes how to

upgrade the camera firmware for the D300.

If you are not confident that you can perform the update

successfully, the update can be performed by a Nikon-authorized

service representative.

D300