Denon AVR-X4400H Service Manual

Also see for AVR-X4400H: Manual Owner's manual

1.5. Version Display in the Setup MenuFollow the steps below to display the firmware information.(1) Press the "SETUP" button on the remote control.(2) Select "General - Information - Firmware".The version information is displayed as a 16-digit number as shown in the screenshot below.This 16-digit number comprises a part of the version number of each device and module.Numerics and version numbers correspond as shown below.b The firmware version numbers and this 16-digit version information are written in the Service Information.b Replace as follows for the 5th to 7th digits of HEOS version.X.XXX.X → X.XXX.00XX.XXX.XX → X.XXX.0XXX.XXX.XXX → X.XXX.XXXXXXX-XXXX-XXXX-XXXXX.XX.XX.XXGeneral/FirmwareVersionGUI Image-DTS VersionMainDSP4A.PLDGUILEGO Version X . 3 6 7 . 1 3 XX X X X X X 1 6X X XX X XX X X X1 5 3 4X1V.PLD X X X 58DSP3 X X X 6DSP2 X X X 4DSP1 X X X 2XX X 5- 1 4 31Info display 2 4 6 - 6 5 3 1 - 7 8 6 3The 1st digit from the right for DSP1The 1st digit from the right for DSP2The 1st digit from the right for DSP3The 1st digit from the right for DSP4The 1st digit from the right for A.PLDThe 1st digit from the right for V.PLDThe 3rd digit from the right for HEOSThe 2nd digit from the right for HEOSThe 4th digit from the right for HEOSThe 5th digit from the right for HEOSThe 6th digit from the right for HEOSThe 1st digit from the right for GUIThe 6th digit from the right for MainThe 5th digit from the right for MainThe 2nd digit from the right for MainThe 1st digit from the right for Main152Caution inservicing Electrical Mechanical Repair Information Updating