Merging Hapi MKII, User Manual

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HAPI MKII User Manual
Headphone Menu
The Headphone menu refers to the Hapi front panel Headphone Monitor jacks. The Headphone jacks 1
& 2 (6.3 mm and 3.5 mm) output the same source and level.
Attenuation:
Sets the attenuation of the Headphone output. By selecting (Rotary Push) the
Attenuation entry and using the Hapi Rotary Control (Left= less gain / Right=
more attenuation) to set the attenuation to the desired level
Headphone level range: -60 dB to +12 dB with 0.1dB precision.
Headphone Mute:
Mutes the headphone output when ON is enabled
Roll off Filter:
Slow (default): Offers the lowest latency of 9 samples, with the tradeoff of a
gentle frequency response attenuation reaching -3dB at 0.45 x FS (21.6 kHz
@48k)
Sharp: Offers a flat frequency response with an attenuation of 3 dB at 0.484 x
FS (23.2 kHz @48k), which has the tradeoff of 35 samples latency.
Apodizing: Fast Roll-Off filter, Linear phase filter. Latency of 35 samples
Brickwall: Ensures rejection of more than -100dB at Nyquist (0.50 x FS, 24
kHz @48k). Latency of 35 samples
TRIM: Headphones