Pioneer DDJ-SR Owner's Manual | Page 6

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10 Read the terms of the license agreement carefully, 
and if you agree, click [Agree].

!  If you do not agree to the contents of the usage agreement, click 

[Disagree] to cancel installation.

11 If the following screen appears, drag and drop the 
[Serato DJ] icon on the [Applications] folder icon.

About the driver software and 

setting utility software
This unit functions as an audio device conforming to the ASIO 
standards.

Using the settings utility software

This function can only be used by those using a Windows operating 
system.

 Launching the settings utility software

Click the Windows [Start] menu>[All 
Programs]>[Pioneer]>[DDJ_SR]>[DDJ_SR ASIO Settings 
Utility].

 Adjusting the buffer size

In the same way as the buffer size setting in the Serato DJ software, 
decreasing the value of the [Kernel Buffers] setting lowers the transfer 
delay (latency) of the audio data, while increasing the value reduces the 
tendency for dropouts in the audio data (breaks in the sound).
The setting at [USB BUFFER SIZE (LATENCY)] in the Serato DJ soft-
ware’s [SETUP] menu has priority for the buffer size. (The default setting 
is 512 samples/10 ms.)
!  For details on making the settings on the DJ software, see the Serato 

DJ software manual.

!  If the [Buffer Size] or [Kernel Buffers] number is made large, drops 

in the data (breaks in the sound), etc., occur less easily, but the time 
lag due to transmission delays in the audio data (latency) increases.

 If breaks in the sound occur with the default 

setting

1  Launch [DDJ_SR ASIO Settings Utility] and change 
[Kernel Buffers] to [4].

2  Set [USB BUFFER SIZE (LATENCY)] in the Serato DJ 
software to the minimum buffer size at which no breaks 
in the sound occur.

 If no breaks in the sound occur with the default 

setting

1  Set [USB BUFFER SIZE (LATENCY)] in the Serato DJ 
software to the minimum buffer size at which no breaks 
in the sound occur.

2  Launch [DDJ_SR ASIO Settings Utility], change [Kernel 
Buffers] to [2], and check that no breaks in the sound 
occur.

3  If no breaks in the sound occur, set [USB BUFFER SIZE 
(LATENCY)] in the Serato DJ software to the minimum 
buffer size at which no breaks in the sound occur. If 
breaks in the sound do occur, change [Kernel Buffers] in 
the [DDJ_SR ASIO Settings Utility] to [3].

Checking the version of the driver 

software

Click the Windows [Start] menu>[All 
Programs]>[Pioneer]>[DDJ_SR]>[DDJ_SR Version Display 
Utility].

!  You can check the firmware version of this unit on the screen.
!  The firmware version is not displayed when this unit is not connected 

to the computer or when this unit and computer are not properly 
communicating.