INSTALLATION and POWER
page 1 – 3
D-16 / Feb 2003
NOTE: The console’s
face panel does not
need to be opened dur-
ing operation. It is only
for service access.
System Ground
The first step is to ground the console.
Note that as supplied from the factory, console rackmount power
supply common, audio ground, and the D-16 mainframe are connected
together at the console, but are NOT connected to electrical ground and the
chassis of the power supply. Safety requirements dictate that a positive
connection from the console mainframe to electrical ground be made in the
completed installation. Use the grounding lug on the rear of the mainframe
to establish your system ground. The grounding lug may be found at the
rear of the console, on the rear frame panel, to the left if you are looking
at the rear of the console.
The system ground serves two important purposes:
(1) It provides a zero signal reference point for the entire audio system;
(2) It assures safety from electrical shock.
There exist two terms that one encounters in a discussion of ground:
(A) EARTH GROUND, which is usually a heavy copper rod driven into the soil
adjacent to the building (around 6 feet down) or a connection to the copper water
pipes leading into the building. Either is acceptable (unless, of course, the water
pipe is made of plastic).
(B) THE POWER COMPANY EARTH CONDUCTOR that enters the build-
ing at the power line breaker box; this conductor should be (and is often by code)
tied to the above-mentioned earth ground at one point. This point is the SYSTEM
EARTH GROUND.
TIE THE CONSOLE GROUND LUG TO THE SYSTEM EARTH
GROUND. TIE EVERY PIECE OF EQUIPMENT IN THE ENTIRE
AUDIO SYSTEM TO THE CONSOLE GROUND LUG. If the system
18.150
3.500
8.900
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