User manual

www.merging.com/horus Page 31 - 54
Horus User Manual
REFS Menu (I/O & Sync)
This Sub Page menu is where you can visualize the Deviation and Jitter of the External Reference, as
measured by the Horus synchronization circuitry.
Frequency: The long-term measured Frequency (in Hz) and deviation in ppm (parts per
million) between the signal the unit is locked on and the internal reference.
Delta: The short-term (instantaneous) time offset between the reference signal and
the internal (considered as ideal) reference, measured in nanoseconds (ns).
Meters Menu
The Meters menu is non-active as it is not yet implemented
PreAmp Menu
The PREAMP (A/D) menu becomes active if you have 1 or more AD8(P) modules installed in the
Horus unit, allowing full access to the Input controls. Please see below for a description of the buttons
available.