Mark Levinson 380 Owner's Manual page 20

20
5 Polarity
Inverts the
polarity
phase") of the outputs of the Nº380. A second press of this button
will restore the outputs to their original, non-inverting polarity.
6 Mode
Duplicates the function of the Mode button on the front panel,
cycling through
monitor, record select,
with the front panel button, use it in conjunction with the Source
Selection buttons when in either
and with the
volume +/-
7 Mute
Toggles between normal output level and the user-programmable
function, reducing the level by 1 to 60 decibels (depending
mute
on the user's programming). The factory default setting gives a 20
decibel reduction in output.
(sometimes inaccurately called "absolute
and
or
monitor
buttons when in
balance
modes. As
balance
mode
record select
mode.