Level/Push Menu (Digital Rotary Encoder) [3] - d&b audiotechnik E-PAC Hardware Manual

IMPORTANT!
E-PAC Amplifier, Hardware manual
When the E-PAC is set to STANDBY (or the mains power is turned off)
the movement of the loudspeaker cones in the cabinets connected is no
longer damped by the power amplifier output. This removal of the
damping makes them susceptible to excitation by other loudspeakers in
the surroundings. Audible resonances may occur, and even absorption
of low frequency sound energy as the undamped loudspeakers act like
a 'bass trap'. To permanently mute single subwoofer cabinets it is
therefore preferable to use the MUTE function instead of STANDBY.
The STANDBY mode, however, can be of advantage with mid-high
systems, because it will remove any residual noise from the system.
The MUTE/POWER switch is a 'soft' switch which doesn't electrically
isolate the E-PAC from the mains supply. The E-PAC circuitry can be
electrically isolated from the mains supply by switching the rear panel
mains power switch to its off position.
The setting of the MUTE/POWER switch is stored in the E-PAC when the
mains power is turned off or disconnected. After reconnecting the E-
PAC it will revert to the same status as before disconnection.

4.1.3. LEVEL/PUSH MENU (Digital rotary encoder) [3]

Operation, configuration and status viewing of the E-PAC are all
accessed via the front panel digital rotary encoder; LEVEL/PUSH
MENU. In the main menu the encoder acts as a level control. Pushing or
turning the encoder gives access to different menu levels or enables
configurations or values to be entered.
Brief press: access to the menu level.
A detailed description of the menu structure and access is given in the
E-PAC Software manual, which is also provided with the E-PAC.
(1.2 EN) Page 10 of 24