Zoom GFX-1 Operation Manual page 29

Effect Parameters
■ ZNR + COMBO
ZNR and combo amp simulator are both on. Increasing the right-digit value
results in more efficient noise reduction.
■ BRIGHT COMBO
Simulates a bright sounding combo type amplifier. When this setting is
selected, the amp simulator is on and ZNR is off.
■ ZNR + BRIGHT COMBO
ZNR and bright combo amp simulator are both on. Increasing the right-digit
value results in more efficient noise reduction.
■ STACK
Simulates a stack type guitar amplifier. When this setting is selected, the amp
simulator is on and ZNR is off.
■ ZNR + STACK
S 2
ZNR and stack amp simulator are both on. Increasing the right-digit value
results in more efficient noise reduction.
S 9
■ OFF
The ZNR/AMP module is off.
ZNR/AMP
ZOOM GFX-1 29