Operation in Atten Mode
In
Atten
mode, the user sets the desired level of attenuation with the Select knob. When the
unit is powered on, it defaults to the Atten mode with 0.0 dB of attenuation.
To use Atten mode:
Turn the
Select
knob until
Atten
appears on the display, then press and release the
Select
knob.
A small letter "A" appears in the upper left corner of the display, indicating the unit is in
Atten
mode, and a decibel reading appears on the right side of the display. See
for more information.
Turn the
Select
knob to adjust attenuation in 0.1 dB increments.
Operation in UserAtt Mode
In
UserAtt
mode, the user can adjust the attenuation level of the signal using user-programmed
parameters available in the UserOps menu. Users can also save common parameter
con
fi
gurations in the PA5's nonvolatile memory. See
information.
To use
UserAtt
mode:
Turn the
Select
knob until
UserAtt
appears on the display, then press and release the
Select
knob.
A small letter "U" appears in the upper left corner of the display, indicating the unit is in
UserAtten
mode, and a decibel reading appears on the right side of the display. See
for more information.
Turn the
Select
knob to adjust attenuation according the current user programmable
parameters (available in the
UserOps
menu). The default settings include a step size of 3.0
dB and dynamic update mode.
1.
2.
1.
2.
When the
Update
attenuation parameter is set to
Manual
, the intensity of the display will dim as the user turns
the knob. This indicates that the changes have not been applied to the output signal. The user must press and
release the
Select
knob to apply attenuation changes to the output signal.
Note
PA5 Programmable Attenuator | 7
