Specifications

OPERATION
POWERING UP
With all your connections made, you are ready to listen to your
Boulder 810 Preamplifier.
The power LED will cycle through a variety of colors indicating a
standby mode. Power is applied only to the microprocessor during this
mode.
Press the STANDBY button to turn on the 810. The indicator will
change to amber and power will be applied to the audio section.
During the power up sequence, the displays at left will be briefly
shown.
The front panel STANDBY button should be used for everyday turn
on and off. This switch mutes the audio, turns off all sections except the
microprocessor, and puts the preamplifier in a standby mode.
2-1
OPERATION