cymatic audio LR-16 Manuel du produit - Page 18

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13.

UPDATING THE FIRMWARE ON YOUR LR-16

Please check the Cymatic Audio website (www.cymaticaudio.com) for any available firmware

updates.

The LR-16's currently installed firmware version is shown briefly on the start screen when the unit

is powering up and can also be found in the PC Mixer Panels 'About' tab.

If you find that your firmware version number is lower than the latest firmware released on

the website, please download and install the newer firmware, following the instructions that

accompany the firmware download file.

14.

TROUBLESHOOTING

Always make sure that you have downloaded and installed the latest drivers and firmware for

your Live Recorder LR-16. The latest firmware and driver downloads are available at

cymaticaudio.com

14.1. Direct-to-USB recording mode / Player mode

Problem

When I listen back to my recording, I hear

noise or buzzing on some of the tracks

My recording has audio drop-outs, even

though the USB storage device performance

test was successfully passed

My external USB2.0 hard disk is not

recognized by the Live Recorder when

plugged in, even though I can hear that the

disk is running.

The meters on the LR-16 are showing peak

overloads too often, and I am hearing digital

overload distortion on the tracks.

I am not able to make adjustments to the

internal monitor mixer when recording. I

would like to mute or solo some channels

while the recording is occurring.

PRODUCT MANUAL

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Possible Solutions

Check the audio connections feeding the LR-16

recorder for any loose connections.

Format the USB storage device using the LR-16's

format function. This will optimize the file system to

work as effectively as possible.

In advance of your live recording, perform your own

manual testing process, where you record silence

for as long a time as the recorder will allow, and then

check if any dropouts are reported at the end of the

process.

The hard disk may be asking for more USB bus power

than is allowed by the USB standard for bus powered

devices. Try using the hard disk with its external power

supply, if one is available.

Adjust the pad settings on the problem channels,

turning on the 10dB pad for the channels that are

overloading.

If feeding the LR-16 from the inserts or direct outputs

of a console, reduce the mic input gain level on the

console's input channel.

This is expected behavior. The settings for the internal

monitor mixer can only be adjusted when a recording is

being played back, but not while recording.

UPDATING THE FIRMWARE ON YOUR LR-16

14.2. 16 Channel USB audio interface mode

Problem

On my Windows PC, the LR-16 is not

recognized by the PC, even though I the

device drivers have been installed and the

device is plugged in using the supplied USB

cable.

When I connect the rear-panel stereo line

output to my powered speakers, the signal

is too loud and I have no way to adjust the

listening volume.

I cannot find the Macintosh OS X version of

the monitor mixer control panel

15.

SPECIFICATIONS

STEREO LINE

Full-scale output

OUTPUT

Frequency response

THD+N @ 0dBFS (1kHz sine wave)

THD+N @ -6dBFS

SNR

Crosstalk

HEADPHONES

Full-scale output

OUTPUT

Frequency response

THD+N @ 0dBFS (1kHz sine wave)

SNR

LINE INPUTS

Full-scale input (pad ON)

Full-scale input (pad OFF)

Frequency response

THD+N @ -1dBFS

SNR

SPECIFICATIONS

Possible Solutions

Make sure that there is no USB storage device

connected to the front panel USB storage connector

of the LR-16. Doing so will automatically put the LR-16

into "recorder mode" and it will not be usable as a

computer audio interface at the same time.

The stereo line output of the LR-16 does not have

a volume control of its own. To use it with a set of

powered speakers, you can:

1-Connect the stereo output to a pair of powered

speakers that have their own onboard volume control

2-Connect the output of the LR-16 to the line inputs of a

small desktop audio mixer or standalone volume control

unit, and then connect the outputs of those to your

powered monitors.

Currently, no OS X version of the monitor mixer control

panel is available.

8.2dBu, 2 Vrms

± 0.2 dB, 20 Hz-20 kHz

-85dB, < 0.005, 20 Hz-20 kHz

< -82dB, < 0.008, 20 Hz-20 kHz

> 99dB, < 0.001%, 20 Hz-20 kHz

< -89 dB, 20 Hz- 20 kHz

8.2dBu, 2 Vrms

± 0.2 dB, 20 Hz-20 kHz

-85dB, < 0.005% Vrms, 20 Hz-20 kHz

> 93 dB, 20 Hz-20 kHz

Unbalanced, 20dBu, 7.7 Vrms

Unbalanced, 8.2dBu, 2 Vrms

± 0.2 dB, 20 Hz-20 kHz

-73dB, < 0.022% Vrms, 20 Hz-20 kHz

>95dB, A-weighted

PRODUCT MANUAL