Benchmark DAC1 HDR Instrukcja Obsługi Pobierz pdf (Strona 15)

DAC2 Series Instruction Manual Rev C Page 15

Input Status Display

Under normal operation, the Input Status

Display shows which of the 7 inputs is

selected. A single steady light indicates that

a proper signal is present and ‘Normal’

volume mode is selected. When all LED’s are

lit, the display indicates that the DAC2 is

muted. When all but one LED are lit, the

display indicates that the DAC2 is in ‘dim’-

mode. Flashing lights indicate error

conditions.

Word-Length Display

The word-length display is indicated by the

two LEDs labeled 16 (16-bit) and 24 (24-bit).

When a 16-bit track is played, the 16 LED will

light up and vice versa when a 24-bit track is

played. If a DSD track is played, both the 16

and 24 LEDs will turn off. Compressed MP3

files will display as 24-bits when originating

from a player with a 24-bit MP3 decoder.

When both the 16 and 24 LEDs are lit, it

indicates that the word-length is between 17

to 23-bits. If the 24 LED is lit while playing a

16-bit file, the music player is performing

some processing. Please review your music

player’s settings.

Sample Rate Display

The sample rate display is indicated by the

four LEDs labeled 44, 48, 2X, and 4X.

Sample Rate Reference

44.1 kHz = 44 LED

48 kHz = 48 LED

88.2 kHz = 44 and 2X LEDs

96 kHz = 48 and 2X LEDs

176.4 kHz = 44 and 4X LEDs

192 kHz = 48 and 4X LEDs

DSD = 2X and 4X LEDs

HPA2

TM

Headphone Jacks

(DAC2 HGC and DAC2 D

model only)

The DAC2 features two headphone jacks.

The left-hand jack is equipped with a switch

that automatically mutes the XLR and RCA

analog outputs when a headphone plug is

inserted. The right-hand jack has no switch.

This feature enables seamless muting of the

main outputs when headphones are being

used. This auto-mute feature can be enabled

or disabled via an internal jumper.

Instructions for setting the auto-mute jumper

are detailed in the ‘Internal Settings’

section of this manual.

TIP: Use the left-hand jack to mute your

loudspeaker system. Use the right-hand

jack to keep all outputs active.

The dual jacks also allow two listeners to

monitor and compare notes on what is heard.

When comparing, we recommend using

identical headphones because headphone

sensitivities differ significantly. The Volume

Control adjusts the level for both jacks.

The gain of the HPA2™ is high enough for

the most difficult headphones, but it may be

too high for some other headphones. The

HPA2™ in the DAC2 features three gain

ranges to customize the output level for a

particular set of headphones. These gain

ranges are set using internal jumpers. The

jumpers reduce the input to the HPA2™ by 0,

10 or 20 dB. These jumpers are factory-

installed at 10 dB below full gain. Instructions

for setting the headphone gain range are

detailed in the ‘Internal Settings’ section of

this manual.

TIP: For optimal performance, the

headphone gain jumpers should be set

so that comfortable listening levels occur

when the ‘Volume Control’ is set above

the ‘11 o’clock’ position.

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