Rane SL 4 Operator's Manual download pdf (Page 8)

RANE SL4 FOR SERATO SCRATCH LIVE • OPERATOR’S MANUAL 2.5.0

Installing Scratch Live

Check for the latest download version of

Scratch Live software at serato.com. If it

is newer than what is on your CD-ROM,

we recommend installing it instead.

Mac

1. Insert the Software Installation CD-

ROM and double-click the Scratch Live

Installer.mpkg icon.

Launch the installer you just

downloaded from serato.com.

2. Follow the on-screen instructions. Once

the installation is complete, Scratch Live

will appear in your applications list. You

may like to drag the Scratch Live icon to

your dock for quick launching.

3. Plug in your SL4. No extra installation is

required to use Scratch Live.

4. The optional Rane Device Drivers

are required for other software you

may have that uses Core Audio to

communicate with your Rane device. To

install the Core Audio drivers, double-

click the .pkg le inside the appropriate

product folder in the Rane Device

Drivers folder on the software installation

CD. Core Audio driver updates are

available to download from the product’s

page at rane.com.

Windows

It is important that Windows users install

the SL4 drivers as well as the Scratch Live

software. The easiest way to do this is to

allow the Scratch Live installer to do all

the work.

1. Connect your SL4 before you insert

your installation CD. When you rst

connect it, Windows will attempt to

install the drivers via the hardware

wizard. Cancel and close the hardware

wizard.

2. Insert the Software Installation CD-

ROM. If a window doesn’t open

automatically, browse to the CD drive.

Run setup.exe.

Launch the installer you just

downloaded from serato.com.

3. Follow the on-screen instructions. Once

the installation is complete, Scratch

Live appears in the Start Menu under All

Programs > Serato > Scratch Live.

Because the SL4 was connected prior to

installing Scratch Live, no extra hardware

installation is required.

Additional Windows ASIO Drivers

Once Scratch Live is installed, any

additional hardware that is connected

will be recognized and the drivers will be

automatically installed.

Starting Scratch Live

Close all other programs on your Mac or

PC. When you load Scratch Live for the

rst time, you will see this screen.

Control Panel

The Driver Control Panel supports:

• Analog Feed Thru check boxes allow

stereo outputs 1-4 to select USB

playback (computer) or analog input

(vinyl or CD) as their source. If a button

is on, USB playback is disabled and the

SL4 input is fed to the output.

• Sample Rate indicators are read-only,

showing the sample rate selected on the

SL4.

• USB Port Status indicators are

read-only and on when a USB port is

connected and communicating with the

SL4.

• Buffer increases or decreases the

USB driver buffer size. The SL4 drivers

run very reliably at latencies below

8 milliseconds. However, computer

performance and available resources

(number of apps running) may adversely

affect streaming audio. If pops and

clicks are heard in USB audio, try

increasing the buffer size. In ASIO, total

round-trip latency = buffer size + device

latency. In Core Audio, total round-

trip latency = buffer size + software

application latency + device latency. SL4

latency is 1.3 ms at 48 kHz and 0.8 ms

at 96 kHz.

• If the SL4 rmware on your computer

is newer than installed in your SL4,

the Update Device Firmware panel is

enabled. Pressing the Update Firmware

button updates the SL4 rmware to the

newer version installed with your driver.

SL 4 Audio Driver Control Panel

–

Device firmware version: 1.2

Analog Feed Thru Sample Rate USB Port Status

Update device firmware

Buffer

14 ms

Channel 1 Thru

48 kHz

96 kHz

Channel 2 Thru

Channel 4 Thru

Channel 3 Thru

Update firmware

SL 4 Audio Driver Version: 2.0

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Rane SL 4 Operator's Manual Page 8

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