Command Description
BLUP
Increase backlight intensity
BLDOWN
Decrease backlight intensity
MUON
Mute ON
MUOFF
Mute OFF
PHON
Set phase inversion
PHOFF
Reset phase inversion
PWON
Power on the device
PWSTANDBY Set device to standby (or power off)
SILEFT
Previous input
SIRIGHT
Next input
SI1
Select input 1
SI2
Select input 2
SI3
Select input 3
SI4
Select input 4
SI5
Select input 5
SI6
Select input 6
SI7
Select input 7
Tube ageing
Nagra selects the HD DAC X tubes according to exacting criteria. Their theoretical
minimum useful life is 5’000 hours. In actual fact, some tubes operate consistently for
more than 10’000 hours.
Thus, the useful life of the tubes is somewhat unpredictable. Rather than replacing the
tubes arbitrarily after 5’000 hours, we suggest that you identify the signs of ageing:
→ Distortion gently increases to an audible level
→ Presence of clicks (dry, brief noises, like dead wood snapping)
→ Presence of pops, brief noises in the low frequencies
→ Presence of hiss, higher background noise
→ Reduction of spaciousness, loss of naturalness
As soon as one of these signs appears, please contact your Nagra dealer to order an
HD DAC X replacement tube kit.
HD DAC X software update
The update is carried out with two MicroSD memory cards, one for the audio device
and one for the power supply. You will be advised of the availability of any updates by
your dealer who will install them.
Case cleaning
Clean the HD DAC X casing by using a soft, non-fluffy, slightly damp cloth. Do not use
any cleaning products that could have a corrosive effect.
Disposal of old electrical & electronic equipment (Applicable in the European Union and other
European countries with separate collection systems). This symbol on the product or on its packaging
indicates that it should be handed over to the applicable collection point for the recycling of electrical
and electronic equipment. By ensuring this product is disposed of correctly, you will help prevent
potential negative consequences for the environment and human health. The recycling of materials
will help to conserve natural resources. For more detailed information about recycling of this product,
please contact your local authority, your household waste disposal service or the shop where you
purchased the product.
Applicable to the following devices: HD DAC X and all the package contents
03
NAGRA
HD DAC X // OPRERATION //
028 + 029
Содержание HD DAC X
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