User Manual

2. Panel descriptions
2.1. Front panel
① Power switch
This switch turns the power on/off. The switch is lit when the power is on, and dimmed when in standby mode.
WARNING
• To prevent loud noise from being emitted from the speaker when the power is turned on, power-on
each unit in the order of audio sources, mixer, and finally the amp. When turning the power off,
reverse this order.
② [∧][∨] keys
These keys switch pages (UP/DOWN).
③ [MENU/HOME] key
This key switches between the MENU screen and the HOME screen.
④ Display
This shows the status of the amp and the menu of settings.
NOTE
• You can make settings so that the display and indicator are automatically dimmed when panel
operations are not being performed (AUTO DIMMER).
• To protect the display, the display indication disappears when no operation is performed for 30
minutes. To bring back the display, press any front panel key or knob.
⑤ Channel select keys/indicators
Use these keys to select the channel that you want to operate (channel A, B, C, or D).
The indicators show the status of the output to the speakers.
Indication Status
Green A signal above -60 dBFS is being output
Yellow Limiter is applied
Red (lit) Mute is ON
2. Panel descriptions
PC412-D PC412-DI PC406-D PC406-DI Owner’s Manual | 5