User manual

www.merging.com/horus Page 2 - 9
Horus Release Notes
HORUS & HAPI FIRMWARE
Make sure that you are running the latest certified firmware:
http://www.merging.com/products/horus/downloads
Verify your Horus or Hapi firmware version by going to the Horus or Hapi Setup menu and open the
System info page to verify the firmware version installed.
Refer to the Horus or Hapi User Manual Firmware Update section in order to proceed with a Firmware
update.
Note: There are two types of Horus & Hapi updates possible. Either the Horus/Hapi Firmware update
(frequent releases) or the Maintenance Mode update (un-frequent releases but mandatory for some
firmware).
CURRENT LIMITATIONS (Firmware)
Latest Firmware limitations:
 RAVENNA redundancy is not implemented
 MIDI/RS422/BiPhase/GPIO not implemented
 No VU meters in DSD (see User Manual)
 No Headphone gain control in DSD
The limitation list above will be progressively reduced with firmware updates.
Notes:
- Supported sync: RAVENNA (PTP slave), Wordclock, Video sync, AES input, MADI input and
ADAT/SPDIF* (*Hapi only)
- Sync Source known issue: LTC input is accurate up to 10x nominal speed (applies to early
Horus production only)
FIRMWARE UPDATES HISTORY
Maintenance Mode v32 update (v32 is optional if v30 or 31 are present)
 Improvement: No longer need to shutdown Horus/Hapi after a Firmware Update
 Improvement: Auto-Browse reconnection after Horus/Hapi reboot.
 Fixed. Maintenance mode Upload firmware text change to Update
Fixed in Firmware version 3.0.3b26178:
 Improvement: Module detection improved at Power ON
 Improvement: Detection accuracy on PSU count to avoid wrong Error
 Fixed: Potential Horus/Hapi crash after 5 consecutive days of power ON
 Fixed. Potential crash at 8FS with Hapi
 Fixed. Fan error when switching from Low to High speed
Fixed in Firmware version 3.0.2b25978:
Warning: this firmware as an issue that it can crash after 5 consecutive days of running. Please
restart your Horus once every 5 days to avoid this. We have corrected this issue in the next upcoming
Firmware v3.0.3
 Improvement: PreAmp communication improvement with external DAW (e.g. ProTools 11)
large count of PreAmps remote control now supported (64)
 Fixed: ADA Mic PreAmp Pad is now functional
 Fixed: ADA Mic PreAmp remote control not working properly
 Fixed. Hapi OLED PreAmp page grayed when standard A/D @ 8FS present in Slot #1
 Fixed. Removed potential click during stream stop/start
Fixed in Firmware version 3.0.1b25577:
 New: Support for ADA8 module (requires firmware v3.0 and above)