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
Fixed in Firmware version 24543:
No fix specific to with 24394. Refer to listing below for fix history details
Fixed in Firmware version 24394:
*To upgrade to this firmware version and the ones above it is mandatory to have updated your
Maintenance Mode to v30
Improved PreAmps control in remote Midi with ProTools
Warning: AD modules settings not recalled at project opening. We recommend within
ProTools SetUp>Peripheral>PreAmps Settings that you enable the “Retain Current Settings”
option
Improvement to avoid Horus/Hapi from not starting up correctly
Fixed: Hapi crash when an output module is routed to non present input module
Fixed in Firmware version 24114:
*To upgrade to this firmware version and the ones above it is mandatory to have updated your
Maintenance Mode to v29
Fixed: PreAmps, one channel offset in the VU meters display
Fixed. PreAmps control in remote Midi now working again from ProTools.
Warning: AD modules settings not recalled at project opening. We recommend within
ProTools SetUp>Peripheral>PreAmps Settings that you enable the “Retain Current
Settings” option
Fixed: Web Access empty GUI if first module is not an AD
Fixed. Muted or duplicated signal on MADI output, when routed to RAVENNA, at more than 1
FS
Fixed. MADI output muted