ECdesigns MOS24 User manual

MOS24 USER GUIDE!
MOS24 USER GUIDE
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Unpacking
Warning
!
Info
Remove the protective sheet from the lid of the MOS24.
"
Sharp edges
Our cases are milled from plexiglass and anodised aluminum and
could have sharp edges !
#
Fire Hazard
The MOS24 is equipped with a LiPo rechargeable battery with built-in
overcharge and short protection circuit (PCM).
Fire Hazard:
Do not use batteries without build-in protection circuit, this is a fire hazard !
Fire Hazard:
Do not puncture the MOS24 battery, this is a fire hazard !
MOS24 USER GUIDE
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Connections
L
Left channel fixed output RCA
R
Right channel fixed output RCA
T
Toslink 44-96 kHz optical digital input
5V
USB-A 5V DC 1A charger input
ON/OFF
ON = Battery connected to MOS24 but completely disconnected from charger!
OFF = Battery disconnected from MOS24 but connected to charger
MOS24 USER GUIDE
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Cables
Standard Toslink cable
Mini-Toslink (UTOS)
Charging Cable USB-A to USB-B
!
!
!
MOS24 USER GUIDE
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Charging
Display
Charger
Use a 5V/1A charger with USB A socket to charge internal battery.
ON/OFF
The MOS24 will only charge when ON/OFF switch is in the OFF position (switch down).!
In the ON position (switch up) charger is completely disconnected from internal battery.
Cable
Use a thick and not too long USB A to USB B cable to charge the internal MOS24 battery.!
Info
Studies have shown that a rechargeable battery lasts longer when charging regularly and
frequently, discharging completely before charging reduces the battery life.
Replace"
battery
If battery needs to be replaced make sure that it is the same type, the battery installed in the
MOS24 has build-in protection circuit (PCM) that prevents over charging and short circuit
currents. Batteries without this protection circuit should not be used in the MOS24
(fire hazard)
Sample-rate display for MOS24
Not locked
--
Locked to 44.1 kHz
4 4
Locked to 48 kHz
4 8
Locked to 88.2 kHz
8 8
Locked to 96 kHz
9 6
!
It is possible that the MOS24 locks on 176.4 kHz or 192 kHz but this will result
in cracks and/or distortion in one or both channels.
In this case the display will also show 4 4
MOS24 USER GUIDE
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Operating instructions
Source
The MOS24 can be connected to any source that can output digital audio over Toslink.
Depending on the source you need either a standard Toslink or a Mini-Toslink cable.
Note that the Mini-Toslink plug has the same dimensions as a 3.5 mm Jack plug.
The MOS24 supports Toslink 44-96 kHz, 16 or 24 bit format.
The Mini Toslink is often used in combined 3.5 mm Jack headphone + Mini Toslink out.
Many Apple computers are equipped with this combined output connector.
Often the digital Toslink output will only become visible in the OS Software after inserting
the Mini Toslink connector. Check your computer specifications if you have built-in mini
Toslink support (Digital out).
To check if Toslink is active, you could plugin Toslink cable into your digital audio source
and send audio through Toslink output, then the not connected Toslink plug shows a red
visible light. If there is no red visible light, check your source settings.
The UTOS can be used to convert a PC/iPad/iPhone or Android phone USB output to
Mini Toslink.
Other Toslink digital audio output devices:
UPL16, UPL24, Apple Airport Express, Google Chromecast Audio, many CD players,
many Televisions and dedicated streamer solutions.
Cable
Use a normal cable and make sure that the Toslink plug fits correctly into the Toslink
connector.
On some Mini-Toslink cables the 3.5mm plug is too thick to correctly fit in the Mini-
Toslink connector. In this case the optical fiber is not properly aligned with the receiver in
the Mini-Toslink connecter, this could affect sound quality.
Also do not use Toslink cables that are longer than 1.5 mtr.
Longer cables could affect sound quality.
Volume
When using a streaming device connected to the MOS24, do not use software volume
control.
Always set software volume control to 100% and use an analog attenuator (like SVC)
between MOS24 and amplifier.
Digital
processing
When using a streaming device connected to the MOS24, do not use any digital
processing like equaliser, normalise, compression etc.
Use our UPL16/24 + SCV for the cleanest digital source without any processing.
MOS24 USER GUIDE
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Specifications
Width
24 cm
Length
15 cm
Height
2.3 cm
Weight
666 gr
Power supply
Built-in re-chargable Lithium Polymer battery 3.7V"
Power consumption
93 milliwatts
Charger (not included)
DC 5V/1A - USB A socket"+ cable to USB B
Output sockets
2x RCA
Input sockets
1x Toslink, 1x USB B for charging
Supported sample rates
44.1 / 48 / 88.2 / 96
Supported bit-depth
16 / 24
MOS24 USER GUIDE
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