Top Panel; Controls And Functions / Connections (*Setting The Input Gain) - Zoom ACOUSTIC 504 II Operation Manual

Controls and Functions / Connections
Rear Panel / Connections
INPUT jack
Serves for connecting the output of the pickup
(preamplifier) attached to an acoustic guitar, or the
output of an electric guitar.
When the 504 II is operated on batteries, the unit
will be turned on when a plug is inserted in this jack.
[Setting the input gain]
When using a magnetic pickup, a single-coil
electric guitar, or any other pickup with low output
level, the input gain can be raised as follows.
Turn the 504 II on while holding down
the foot switch [ ].
The indication "HI-GAIN" scrolls on the
display, and the input gain is set to high.
The input gain setting is not stored in the
NOTE
internal memory. Repeat the setting as
required every time you turn the unit on.
DC 9V (AC adapter) jack
To use the 504 II on AC power, plug an AC adapter (ZOOM
AD-0006) with a rated output of 9 volts DC, 300 mA
(center minus plug) into this jack. When a plug is inserted in
this jack, the 504 II is turned on.
6 ZOOM 504 II
ACOUSTIC

Top Panel

Controls and Functions / Connections
[PLAY/EDIT] selector
This knob serves for switching between play mode (in
which you use the patches for playing) and edit mode
(where you can edit patches to your liking).
[+]/[-] keys
Serve for switching banks up and down, adjusting
parameters, and other functions.
[STORE] key
Serves for storing edited patches, copying patches to
another location, and other functions.
Display
Shows patch numbers, setting values, and other
information required for operation of the 504 II.
[ ]/[ ] foot switches
These switches are used for selecting patches,
controlling the tuner, and other functions.
CONTROL IN jack
Serves for connection of the optional foot switch
(FS01) or expression pedal (FP01/FP02).
OUTPUT jack
This stereo phone jack serves for connection to the
guitar amplifier. It is also possible to plug a pair of
stereo headphones into this jack, or to use a Y cable for
sending the output to two amplifiers.
ZOOM 504 II
7
ACOUSTIC