Behringer Minimamp Gma 100 User Manual page 5

modify a guitar signal
monitor the status of the GMA100 (on or off)
Before you connect a guitar to the GMA100 (
control to the minimum setting.
GAIN control:
To adjust the amount of signal distortion, turn this knob toward min (zero, no distortion)
or, alternatively max (maximum distortion).
VOLUME control:
To adjust the volume level of the GMA100, turn this control toward min (no volume) or,
alternatively max (maximum volume).
POWER LED:
As long as you supply power to the GMA100, this LED is illuminated. For details about:
mains power, see 2.2 Connectors
battery power, see 2.3 Battery Compartment and Accessories
TONE control: To adjust the signal tone, turn this control toward min (bass) or,
alternatively, max (treble).
2. CONTROL ELEMENTS AND CONNECTIONS
Fig. 2.1: The top of the GMA100
MINIAMP GMA100
) , turn the VOLUME ( )
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