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XP-20 Owner’s Manual
In application the XP-20s front panel controls and alphanumeric
display are quite straight forward, and intuitive. We encourage you
to become familiar with their operation prior to establishing any
input connections with this unit. Experience indicates that engaging
in a few minutes of exploration will add much to your ultimate
enjoyment of this exceptional Pass Labs product.
The left most button on the front panel is Mute. Pressing this
button toggles between mute on and mute off. Mute on removes
signal from the output of the preamp.
The second button from the left is Mode. The front panel mode
switch cycles the preamplifier control chassis display through 3
different levels of illumination, Bright, Dim and Off. Default
setting is Bright. Manually selection of illumination levels over-
writes the default setting. Removing power re-boots the system
and re-establishes the default settings. When in Off the display will
illuminate at the Dim level only as control selections are being made.
Six seconds after the last control command the display will blank,
returning to Off.
The two input elect switches (designated by left and right pointing
arrows) toggle through inputs 1-5 in sequence.
When selecting an active input, as previously indicated, the left and
right arrows select for inputs 1 through 5. Input 5 is unique in that
it is linked with the PASS THRU (Home Theatre) function. (The
HOME THEATRE / PASS THRU FUNCTION is discussed at
length below.)
Before selecting the theatre pass through (pass thru) option, it is
imperative that the input device on input number 5 has its gain set
to minimum. Failure to follow this precaution could result in a
volume level intolerable to both ears and speakers. (The standard 2
volt source component, with the pre-amp set to 0 dB, will drive most
power amps to full rated output.)
As an added precaution when “pass through” is selected the volume
ramps upto 75. This is to prevent nasty surprises when “pass thru”
is selected accidentally. The ramp up sequence can be stopped at any
time by hitting any button on the remote.
The theater “Pass Thru” function bears special attention, this
function is only available as direct access through the hand held
remote control. This function is associated only with input number
5 and has two positions selected with the “pass thru” button on the
Description of Operation