Gadget Labs WavePRO User Manual page 15

Monitor (Input monitor)
Unlike a tape recorder, WavePRO interfaces are full duplex audio
devices which means that you can record and play on all channels
simultaneously. We have also included an input monitoring feature
that allows the audio signal that is being input to WavePRO to be
"echoed" to the corresponding channel number output.
Important note
When Monitoring is enabled (ON) you will hear both the signal that
is being input to the WavePRO interface for recording and the
audio playback signal from the PC. As noted in the diagram, when
monitoring, each input channel is monitored to its corresponding
output channel.
SyncStart
Windows and software applications control all multichannel sound
card's channels as separate left+right channel stereo pairs. This oper-
ating system limitation can cause a slight delay (between 10-100
milliseconds) between stereo pairs when playing or recording on 4 - 8
channels on a WavePRO interface.
To workaround this current Windows limitation, the SyncStart feature
can be enabled to ensure that all the channels start playing or record-
ing together. This setting will provide *very* tight sync. SyncStart has
been tested and works great with the top multitrack audio
applications, but it may not be supported by all applications.
NOTE: Disable SyncStart when you use 2 separate software
applications to access different WavePRO stereo
channel pairs.
Normal operation (Monitor off)
Input channel 1
Output channel 1
Monitor ON
Input channel 1
Output channel 1
Audio to PC
Audio from PC
Audio to PC
Audio from PC
13