23425 
 
 
AVR10/AVR20/AVR30/AV40 Software Release Notes 
 
– 4 – 
Arcam, The West Wing, Stirling House, Waterbeach, CB25 9PB, UK  
 
Host Version 1v36/09 
LCD/IAP 0.78/0.04 
DSP1 02.03 / 02.03 
DSP2 00.01 / 00.20 
DTS/IMAX 3.90.50.1/390.508.2.0 
OSD 0.03 
DAB 303 / 561 
NET 0.100.687 
BT 0.7 (or higher, depending on build) 
 
Fix list: 
IMS21710: Very low level hum after streaming > 48kHz audio when paused. 
IMS21735: When Dirac EQ is applied settings to SL are ignored. 
IMS21725: Turn off all processing (including Dirac) when headphones are inserted. 
IMS21726: Update Dolby CODEC (1.6.2). 
IMS21802: Top mid height channels incorrectly reported in DLCT. 
IMS21807: 2.1 system with Atmos input has audio artefacts. 
IMS21810: Implement QPlay. 
IMS21811: Dirac filters not accessible after hard power if Dolby enabled height speakers are used. 
IMS21822: No audio from Savant audio device PAV-VIM8S. 
IMS21832: RS232/IP Zone2 BT input sends incorrect response. 
IMS21833: Audio occasionally not passed after stream change until MODE button pressed. 
IMS21841: Add Auro-Native & Auro 2D IR commands. 
IMS21842: Grey out Input Config > Stereo Mode if DLBC is used. 
IMS21849 : Fix text wrapping on GUI input forms on Android devices. 
IMS21850: Cannot change stereo mode if sub = none and ch13/14 = front subs. 
IMS21856: Improve ability if Dirac filter is sent to unit while previous sent filter is still saving. 
IMS21857: Default Dirac filter names containing UTF-8 characters improved. 
IMS21866: Add +/-buttons to speaker level setting screen in web GUI. 
IMS21870: Mono podcasts play at double speed. 
IMS21877: Hiss from tweeters if hi-res network audio is paused. 
IMS21831: Audio can be lost on zone 1 if zone 2 turned on to same input with PCM2.0 audio. 
IMS21851: Distortion if PCM 5.1 96/24 & Dirac Live is used. 
IMS21838: Play track using webclient, pause track, open Dirac tool & select AVR, track restarts. 
IMS21875: Clipping in sub output below 55Hz on some Dirac projects 
IMS21877: Dirac Upmix or full DLBC and incoming audio has .1 LFE channel, LFE is 10dB down. 
IMS21878: DD+ Atmos streams + Dirac can cause audio dropouts on 16ch setups. 
IMS21880: Display can be provoked into staying blank even with user input. 
IMS21881: Album art not displayed if source is UPnP. 
IMS21882: RS232/IP Command 0x3F always returned zero. 
IMS21927: Engineering menu German language text corrections. 
IMS21928: Using Zone1 output1 & output2 simultaneously to the same display prevent 4k video. 
IMS21964: Display can show just volume after USB update if DISPLAY button pressed before OK. 
IMS21965: Allow DSP and NET to start after update before reset is applied. 
IMS22043: Atmos track does not play if using Dolby enabled speakers and following a DD2.0 track. 
IMS22056: Dirac filter can be lost if only one filter is saved to slot 2.