Alesis 7-51-0214-b User Manual

Since Windows (and various Windows applications) have a nasty 

tendency to try and take control over your audio sample rate—

often without notice—this section allows you to ignore those 

sample change events. 

 

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If  you do not mind your sample rate changing freely, choose 

“Allow SR Changes.” 

 

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To allow only ASIO applications (like Cubase) to change the 

sample rate, select “Allow ASIO changes only.” 

 

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You can lock the sample rate—such that it can only be 

changed using this control panel—by selecting “Apps cannot 

change SR.”  This is the safest of  all these options. 

 

Whichever setting you choose, the sample rate can always be 

changed from within this control panel.  Note, however, that if  

you have an audio application open, you can cause conflicts with it 

if  you try to set the sample rate differently here compared to the 

setting in the open audio application. 

 

 

If  you are using ASIO applications exclusively and do not need 

access to Windows system sounds, Windows Media Player or other 

media players, consider unchecking this box.  Doing so helps 

ensure that unwanted audio from other applications does not 

intrude on your intended audio output. 

 

If  you are using multiple Firewire audio devices at once, chain one 

to the next, and designate the one at the beginning of  the chain as 

the clock master. 

 

In digital recording systems, all digital input devices must be 

synchronized to the same clock.  For IO|14/26, this means that 

you need to take care to set the clock source properly when you 

use either the S/PDIF or the ADAT inputs. 

 

 

1.  INTERNAL.  Use this setting if: 

a.  You are not connecting any external S/PDIF or 

ADAT input devices; 

 

b.   You are connecting external S/PDIF or ADAT 

input devices, but you are running a cable from the 

IO|14/26’s S/PDIF output into one of  these 

devices.  This is a rare case. 

 

2.  S/PDIF or ADAT.  Use one of  these settings if  you have 

attached either a S/PDIF or ADAT device.   

 

If  you have attached more than one of  these devices,