4 Operation
The A1 Power amplifier is operated either from the unit's front panel display and pushbuttons or from the CH Precision Android
App available on tablets. The tablet reflects the state of the unit settings and allows the user to adjust the settings on the fly.
4.1 Front panel controls
4.1.1 Front panel
Front panel elements
(1) Standby LED
(2) Five user control push-buttons
(3) Display area (high-definition AMOLED display
The standby LED lights up when the unit is in standby. It is normally turned-off during operation. The LED can also be programmed
to remain on during operation. The display is a high-definition AMOLED panel with very wide viewing angle, high contrast and high
brightness ensuring optimal reading comfort. The color and brightness of the display can be configured according to user's taste.
4.1.2 Front face push-buttons
The push-buttons located on the front panel of the A1 are the main user input devices.
Rev 2.0 A1 User Manual 23
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