Power and Interface
The PA5 Programmable Attenuator is powered via the System 3 zBus (
). and requires an
interface to the PC (Gigabit, Optibit, or USB). Ensure that the ZB1PS chassis housing the PA5 is
connected in the interface loop according to the installation instructions for the interface in
use.
Features
Display
Displays the current level of attenuation being applied to the signal or displays the manual
operations menu. During manual operation it is used to set up user-de
fi
ned attenuation
parameters and to obtain descriptions for menu items. See
for more
information.
(ESC) Button
Exits the manual operations menu items without accepting changes.
SELECT (ENTER) Knob
During manual operation, allows the user to adjust the attenuation applied to the signal. In
addition, it allows the user to scroll through the manual operation menus, set up user-de
fi
ned
attenuation parameters, and access descriptions of menu item.
Turn the Select knob to adjust attenuation or view menus. Press and release the knob to make
a selection. The module must be in Atten or UserAtt mode to manually adjust attenuation. See
for more information.
The chassis housing the PA5 must be powered and connected to a PC via the PC interface for BOTH manual and
programmed operation.
Important
PA5 Programmable Attenuator | 5
