Front panel push-buttons
Button number Button symbol Description
1
S
Standby (long push) / Mute/Unmute (short push)
2
N
Up
3
R
OK
4
O
Down
5
Q
Cancel
Front panel push-buttons description
4.2 Operating modes
The A1 power amplifier has two main operating modes: Normal mode and Menu mode. Normal mode is mainly used to display
general status (such as power or temperature) of the A1 whereas Menu mode is used to configure the unit. The A1 also includes
Shortcuts for quick access to selected Menu mode items. Shortcuts are user programmable and most Menu mode items can be
selected as Shortcuts.
4.2.1 Normal mode
In normal mode, the A1 can be configured to display its general status, such as operating mode (stereo/mono), input
(XLR/BNC/RCA), feedback ratio, peak power and average temperature in a standard CH Precision manner. It can also be set to
display a peak-power vu-meter, or a temperature gauge of each output channel. When powered-on, the A1 starts in Normal mode.
The status display looks as follows:
24 A1 User Manual Rev 2.0