Bose T8S ToneMatch Mixer English Owners Guide - Page 17

Optimizing Input Gain and Output Volume

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Operation Optimizing Input Gain and Output Volume Getting a quality volume level from your system relies on the combined adjustments of input channel gain, master volume, and channel volume. Do the following for each channel used. 1. Make sure the Master volume, Trim, and channel volume controls are set to minimum. 2. Adjust input channel Trim. A. If applicable, adjust the volume of your instrument/source to the desired level. B. Play your instrument/source at a performance level. C. Slowly turn the Trim control clockwise until the signal/clip indicator glows green. If the indicator flashes red or glows steady red, turn the Trim control counterclockwise to decrease the level. D. Use the input level meters (page 28) in the Prefs menu to check your input levels Input Level Preferences Ch 1 Ch 2 Ch 3 Ch 4 Menu Reset Aux In Peak level indicator Input level indicator CAUTION: If you are using a device that requires phantom power (+48V), such as a condenser microphone, depress the Phantom power switch before adjusting the Trim control. Note: The input level meter in the Prefs menu can be helpful when adjusting the input Trim level (see page 28). 3. Set the Master volume control at the 12 o'clock position. 4. Slowly turn the channel volume control clockwise until the volume reaches the desired level. English - 17

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Operation
English - 17
Optimizing Input Gain and Output Volume
Getting a quality volume level from your system relies on the combined adjustments of input channel gain,
master volume, and channel volume. Do the following for each channel used.
1.
Make sure the
Master
volume,
Trim
, and channel volume controls are set to minimum.
2.
Adjust input channel
Trim
.
A.
If applicable, adjust the volume of your instrument/source to the desired level.
B.
Play your instrument/source at a performance level.
C.
Slowly turn the
Trim
control clockwise until the signal/clip indicator glows green. If the indicator
flashes red or glows steady red, turn the
Trim
control counterclockwise to decrease the level.
D.
Use the input level meters (page 28) in the
Prefs
menu to check your input levels
CAUTION:
If you are using a device that requires phantom power (+48V), such as a condenser
microphone, depress the
Phantom
power switch before adjusting the
Trim
control.
Note:
The input level meter in the
Prefs
menu can be helpful when adjusting the input
Trim
level (see
page 28).
3.
Set the
Master
volume control at the 12 o’clock position.
4.
Slowly turn the channel volume control clockwise until the volume reaches the desired level.
Input Level
Preferences
Ch 3
Ch 1
Ch 2
Ch 4
Menu
Aux In
Reset
Peak level indicator
Input level indicator