Digidesign 2 Manual De Usuario

4  

Verify that Pro Tools LE is referencing its Inter-

nal Clock Source in the Hardware Setup dialog.

5  

Start recording on the ADAT, then click Play in 

the Transport window in Pro Tools LE. When 
playback is complete, stop both systems.

Monitoring Latency and Recording

Because Pro Tools LE uses the host processor in 
your computer for audio processing, playback, 
and recording, there is a small amount of audio 
delay, or latency, when monitoring audio 
through the system. You can set the latency to 
be shorter when you are recording and monitor-
ing through Digi 002, and longer when you are 
trying to achieve higher track counts with more 
plug-ins.

Set latency in the Playback Engine dialog. La-
tency is controlled by the H/W Buffer Size set-
ting, and is displayed in samples. The recom-
mended setting for listening back to audio is 
512–1024 samples. For recording, when moni-
toring through Digi 002, the recommended set-
ting is 128–256 samples.

To set the Hardware Buffer Size for record or 
playback:

1  

Choose Setups > Playback Engine.

2  

Choose the number of samples from the H/W 

Buffer Size pop-up, then click OK.

Low Latency Monitoring

Pro Tools LE includes a feature called Low La-
tency Monitoring for Digi 002 systems. This fea-
ture allows you to use a built-in mixer in the 
Digi 002 unit to record and monitor up to 18 in-
puts (8 analog, 8 ADAT, and 2 RCA-S/PDIF) with 
extremely low latency. This mode is useful for 
recording multiple instruments at the same 
time. 

To use Low Latency Monitoring, tracks must be 
record-enabled, assigned to an actual audio in-
put (not a bus), and assigned to outputs 1 or 2.

To enable Low Latency Monitoring:

■

Select Operations > Low Latency Monitoring.

When Low Latency Monitoring is enabled, any 
plug-ins and sends assigned to record-enabled 
tracks (routed to Outputs 1–2) are automatically 
bypassed, and must remain bypassed. Also, 
these tracks will not register on meters for Mas-
ter Faders.