82 controls & operation – PreSonus DigiTUBE User Manual
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2 CONTROLS & OPERATION
-42 -36 -30 -24 -18 -12 -6
-3
0
3
6
9
12
15
18
24
OUTPUT LEVEL (dBu)
Metering
The DigiTUBE has a 16 step LED meter to observe output level. The meter
begins at -42dbu and goes to +24dbu (clip). A red LED is also provided on the
front panel to indicate when the unit has power and is ready for operation.