Rane RC 24T Manual

Rane Blander RC 24T

Læs gratis den danske manual til Rane RC 24T (4 sider) i kategorien Blander. Denne vejledning er vurderet som hjælpsom af 4 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 2.5 anmeldelser. Har du et spørgsmål om Rane RC 24T, eller vil du spørge andre brugere om produktet?

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Side 1/4

OPERATING / SERVICE MANUAL RC 24T

PAQRAT RECORDING CONVERTER

SETUP & OPERATION

1. Connect the supplied TDIF Cable between the DB-25 TDIF-1 connector on your DA-88 and RC-24T.

2. Connect the supplied BNC Cable between the RC-24T WORD SYNC OUT connector and the WORD SYNC IN connector

on the DA-88.

3. Connect a stereo digital audio source signal (up to 24-bit) to the AES/EBU (or SPDIF) INPUT on the rear of the RC-24T.

Set the AES/EBU or SPDIF SELECT SWITCH to the appropriate position to select the proper input.

4. Connect the AES/EBU OUTPUT on the rear of the RC-24T to whatever is receiving the 24-bit digital audio signal during

playback (and monitoring).

5. Connect the supplied Rane RS-1 remote power supply to the red POWER jack on the rear of RC-24T.

6. Make sure the DA-88 is plugged in and turned on.

7. Press the DIGITAL IN button on the DA-88 to select the TDIF-1 interface as the audio signal source.

8. Press the CLOCK button on the DA-88 to select “WORD” sync.

9. Press the RECORD TRACK ASSIGN and PLAYBACK TRACK ASSSIGN buttons on the RC-24T to select tracks 1-4, 5-8,

or 1-8 (record only). Arm the corresponding tracks on the DA-88 for recording.

10. Record and play back tracks on the DA-88 as normal, using the AES/EBU (and SPDIF) input and output on the RC-24T as

the source and destination for the 24-bit digital audio signal.

DESCRIPTION

The RC 24T (or “PAQRAT”) allows you to record and play back stereo digital audio signals with up to 24 bits of resolution

using your Tascam DA-88 modular digital multitrack.

The RC 24T accomplishes this task by converting the AES/EBU (or SPDIF) stereo 24-bit digital audio source signal to four

16-bit channels compatible with Tascam’s proprietary “TDIF-1” DA-88 interface. The RC 24T simultaneously writes these

signals onto the DA-88 and reads them back off again. Controls on the front panel allow you to assign these four channels to

tracks 1-4, 5-8, or 1-8 (two identical groups of four tracks) on the DA-88. The odd tracks carry the upper 16 bits of the original

digital audio signal, and the even tracks carry the lower eight bits plus a -20dB reference tone.

Note: Although it is nearly impossible to achieve better than 20-bit performance from today’s A/D converters, we refer to

the high resolution inputs and outputs to/from the PAQRAT as 24-bit anyway, just to simplify things. You can interface any

AES/EBU or SPDIF signal to the input and output of the PAQRAT from 1 to 24 bits.

FRONT PANEL DESCRIPTION

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

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

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

24T generates WORD SYNC from the AES/EBU INPUT and feeds it to the DA-88. It is necessary for the ADC (or other

44.1kHz or 48kHz sync source with AES/EBU or SPDIF output) to feed the RC-24T AES/EBU or SPDIF Input at all times

(whether you’re recording or playing). It is highly recommended that the same sync source be used while recording or

playing back.

3. TRANSPORT PRESENT LED . When lit, this LED indicates that a DA-88 is connected to the RC-24T via the TDIF-1

connector.

4. RECORD TRACK ASSIGN BUTTON . This push button switch lets you select which four tracks of the DA-88 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 DA-88 are

converted back to 24-bit AES/EBU, 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 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). The dithering used by the RC-24T follows the Triangular

Probably Density Function described by Stanley Lipshitz and John Vanderkooy in their paper: “Resolution below the least

significant bit...”.

Produkt Specifikationer

Mærke:	Rane
Kategori:	Blander
Model:	RC 24T

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