Installation manual

Model DMA
™
8 Installation Manual Installation
2-2
2.3 Mounting—Proper Grounding
Various types of noise may be present in and around the projection booth without
audible signs of anything being wrong. Proper mounting and wiring of booth
equipment helps ensure trouble-free performance.
We recommend that star washers be installed on all rack-mounting screws to ensure
good ground contact. This helps prevent electrical noise problems.
Figure 2-1 Use Star Washers
The DMA8 must be mounted in the same rack as the cinema processor to avoid
potential problems with ground loops, radiated interference, and so on.
WARNING: Follow all local codes and regulations covering electrical wiring.
2.4 Fuse Information
WARNING: To reduce the risk of fire, replace fuses only with the same type
and rating.
The DMA8 uses a universal switching power supply that handles the full range of
nominal mains voltages between 100 and 240 VAC, and any frequency between
50 and 60 Hz.
Check Main Fuse
The main fuse rating is:
T 1A L (time-lag, 1 amp, 250 V, 20 mm, low breaking capacity) for all operating
voltages.