Roland A-880 Owner's Manual page 6

(1) Panel Description
@MIDI IN Sockets (1 — 8)
@MIDI OUT Sockets (1 — 8)
@Signal Mode Button
Pushing this button will light up the indicator
and turn the unit to the Signal mode. In the
Signal mode, the relevant Input/"Bank Buttons
and Output/"Number Buttons light up when MIDI
messages are being fed into the unit. This fact
allows you to check how the inputs and outputs
have been currently connected.
@Scan,//Mix Mode Button
Pushing this button will light up the indicator
and turn the unit to the Scan mode. In the Scan
mode, you can check the current MIDI In and Out
settings in sequence (Mix > Input 1 — Input 2
—....) with the indicators of the Input/Bank and
Output/Number Buttons.
This button can also be used for mixing signals.
@
@®Memory Mode Button
This button is used to call any setting written
in memory.
®Write Mode Button
This button is used to write a setting you have
made into memory.
@Input/Bank Buttons (1 — 8)
These buttons are used for selecting MIDI IN's or
a Memory Bank.
@®Output/Number Buttons (1 - 8)
These buttons are used for selecting MID! OUT's
or a Memory Number.
@Power Switch