Jet Eternity Delay Manual page 29

FAQ
I Hear a Weird Noise, What
Can I Do?
Most often, noise issues are related to the power supply feeding the Eternity. The first thing to
check, does the power supply meet the requirements to power the Eternity (9V DC 300mA).
Supplying voltage above 9 volts can damage the Eternity and supplying 9V with not enough
current will cause unpredictable behavior and noise issues.
Is the Eternity being supplied with its own isolated power port (no daisy chaining). Daisy chaining
power from pedal to pedal can introduce unwanted noise.