23425 
 
 
AVR10/AVR20/AVR30/AV40 Software Release Notes 
 
– 6 – 
Arcam, The West Wing, Stirling House, Waterbeach, CB25 9PB, UK  
 
Host Version 1v32/09 
LCD/IAP 0.67/0.04 
DSP1 02.03 / 01.34 
DSP2 00.01 / 00.17 
DTS/IMAX 3.90.50.1/390.508.2.0 
OSD 0.03 
DAB 303 / 561 
NET 0.100.590 
BT 0.7 (or higher, depending on build) 
 
Fix list: 
IMS21132: DSD files not played correctly from USB. 
IMS21616: Audio glitches when switching sampling frequency using Qobuz over cast. 
IMS21669: PCM2.0 96kHz + Dirac audio artifacts at start of track. 
IMS21678:  Unit will prompt before performing a reset after update (operates from next release). 
IMS21700: Dirac “on” distance settings revert to 0.8mS if set by web GUI. 
IMS21701: Auro streams report as DTSHD-MA in web gui. 
IMS21702: Adjusting Auro-Matic settings on AVR10 corrupts front panel display. 
IMS21703: Unit could become unresponsive when saving first Dirac filter after a reset. 
IMS21704: 
AVR20, AVR30 & AV40, CD direct greyed out on inputs GAME, NET. 
IMS21706: If speaker is None, clearly show other options. 
IMS21712: Lip sync greyed out on web GUI. 
IMS21716: Show Roon for streaming via that service. 
IMS21724: Correct CD direct operation. 
IMS21727: Hiss when paused on NET input after playing stream. 
IMS21376: Implement Dirac Live Bass management ready for user update to license from Dirac. 
IMS21740: Net stops responding to play/pause after changing speaker types while playing. 
IMS21743: Volume not shown on OSD if controlled by external control system go to volume “x”. 
IMS21758: Correct Auro modes in commands 0x10 & 0x11. 
IMS21767: DSD files not played back correctly over UPnP. 
IMS21769: Show filter receiving by host before saving. 
IMS21770: Allow 5.x.4 setups with Dolby Enabled speakers.