Zoom GFX-1 Operation Manual page 27

Effect Parameters
■ METAL
Heavy metal type sound with emphasized bass and treble. Also suitable for 7-
string guitar sound.
■ ACOUSTIC
Changes the sound of an electric guitar into that of an acoustic guitar.
■ OFF
Turns the DRIVE module off.
EQ
EQ module (basic parameter)
This module comprises a 4-band equalizer. Use the
VALUE [+] / [-] keys to select the EQ characteristics.
■ 4-BAND EQ (4-Band Equalizer)
Allows boost or cut in the bass/middle/high/presence band. You can select one
of 50 available patterns (1 - 50).
11 - 20: Lower values result in lower emphasized frequency.
21 - 24: Lower values result in emphasized midrange.
26 - 30: Higher values result in emphasized highs.
31 - 40: Higher values result in higher emphasized frequency.
41 - 50: Higher values result in emphasized presence and lows.
■ OFF
Turns the EQ module off.
1 - 10: Lower values result in attenuated highs and emphasized
lows.
25: Flat characteristics
DRIVE EQ
ZOOM GFX-1 27