Rane PAQRAT Operating & Service Manual Download Page 2

FRONT PANEL DESCRIPTION

1. POWER LED

.  When dim, this LED indicates that you forgot to plug in the RC-24A.

2. SYNC LED

.  Indicates that a suitable AES/EBU (or SPDIF) sync source is plugged in.  If this LED is not lit, the RC-24A is

not receiving signal from a source.  Check the INPUT SELECT switch to make sure the proper input is selected.

3. TRANSPORT PRESENT LED

.  When lit, this LED indicates that an ADAT is connected to the RC-24A via the fiber optic

interface.

4. RECORD TRACK ASSIGN BUTTON

.

 

 This push button switch lets you select which four tracks of the ADAT are

recorded with the stereo 24-bit digital audio source signal.  An LED indicates whether you are recording onto tracks 1-4 or
5-8.

5. RECORD TRACK ASSIGN “BOTH” BUTTON

.

 

 This push button selects all 8 tracks for recording, no matter what the

state of the RECORD TRACK ASSIGN BUTTON (previous section) is.  Tracks 1-4 are identical to tracks 5-8. Use this
option when you are archiving a stereo master, and wish to create a redundant copy on the same tape.

6. PLAYBACK TRACK ASSIGN BUTTON

.

 

 This push button switch lets you select which four tracks of the ADAT are

converted back to 24-bit digital audio, and transmitted out the AES/EBU OUTPUT. An LED indicates whether you are
playing tracks 1-4 or 5-8.

7. SAMPLE RATE LEDS

.  These LEDs indicate the sample rate of the AES/EBU (or SPDIF) source (sync) input (44.1kHz or

48kHz).

8. SOURCE WORD LENGTH LEDS

. These LEDs indicate the word length (in bits) of the AES/EBU (or SPDIF) source

(sync) input.

9. 16-BIT DITHERED OUTPUT ENGAGE SWITCH.

  This switch engages 16-bit dithering and truncation on the AES/

EBU OUTPUT.  Dither should be engaged when the AES/EBU OUTPUT is feeding a device that truncates the signal to 16
bits (e.g. DAT recorder, digital signal processors, and so on).

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Summary of Contents for PAQRAT

Page 1: ...f the PAQRAT from 16 to 24 bits SETUP OPERATION 1 Connect one of the supplied fiber optic cables between the digital output connector on your ADAT and the DIGITAL INPUTconnectorontheRC 24A 2 Connect one of the supplied fiber optic cables between the digital input connector on your ADAT and the DIGITAL OUTPUTconnectorontheRC 24A 3 Connect a stereo digital audio source signal up to 24 bit to the AES...

Page 2: ...atter what the state of the RECORD TRACK ASSIGN BUTTON previous section is Tracks 1 4 are identical to tracks 5 8 Use this option when you are archiving a stereo master and wish to create a redundant copy on the same tape 6 PLAYBACK TRACK ASSIGN BUTTON This push button switch lets you select which four tracks of the ADAT are converted back to 24 bit digital audio and transmitted out the AES EBU OU...

Page 3: ...RD 8 Use only Rane part 280 101 fiber optic cables 6 POWER INPUT Plug the external power supply into this connector Caution NeverconnectanythingexcepttheRane RS 1 AC power supply enclosed with the unit to the thing that looks like a red telephone jack on the rear of the RC 24A This is a low voltage AC power input and connecting it to telephones computer keyboards or other devices will result in un...

Page 4: ...ormed such as noise reduction on one pass limiting on another pass EQ on another pass and then finally digitally mixed with another audio file then all of the processing should be done in the 24 bit mode The resultant audio file RC24AANDALESISADATSYSTEMCONNECTION then needs to be converted to 16 bit only once and the nasty artifacts are kept to a minimum The 24 bit files can be backed up through a...

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