Tisch Environmental PUF+, Operator'S Manual

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PUF+ Operator’s Manual Tisch Environmental
8
User Interface: Power Status Light
The Power Status Light indicates when power had been applied to the unit. A solid green
light indicates that unit is running and receiving power. A flashing green light indicates that
the motor is on.
User Interface: Alert Status Light
The Alert Status Light indicates the alert state of the unit. The unit monitors several
operating parameters and alerts the user to take action when these parameters fall out of the
expected range. A flashing red light indicates that a non-fatal alert has occurred. The unit
will continue to operate, but may not be functioning optimally. A solid red light indicates a
fatal alert has occurred. The unit will not continue to operate. To determine the source of the
alert, use the INFO key on the main status screen. See INFO section of this manual for more
details.
User Interface: Buzzer
The Buzzer is primarily used to provide auditory feedback when a key is pressed. In
addition, the buzzer provides auditory feedback for the boot loader program used to upgrade
the operating firmware of the unit. More details of this function will be provided with the
release of new firmware.