Crest Audio 8002 - Page 33

p. 31
safety
6
DC Voltage
If an amplifier channel detects DC voltage at its output terminals, the out-
put relay will immediately open to prevent loudspeaker damage.The
Status
LEDs will turn red.
Subsonic Frequencies
Built-in high pass filtering provides subsonic frequency protection for each
channel. In addition, a relay will open if excessive subsonic energy appears
at the output.