Raymarine ALPHA, Installation Instructions Manual, Page: 31 / 72

Accessory mounting options
The performance display can also be mounted to a mast using one of the
separately available mast bracket accessories.
1. Single portrait mast bracket.
2. Single landscape mast bracket.
3. Dual landscape mast bracket.
Each accessory bracket is supplied with installation instructions.
For a list of mast bracket accessory part numbers, refer to:
p.63 — Spares and accessories
Bracket mast size compatibility
Before obtaining and attempting to install an Alpha display mast bracket,
ensure that the diameter of your mast does not exceed the minimum and
maximum mast bracket tolerances specified below.
Important:
• Depending on the diameter of your mast, one or more of the following
accessory mast brackets may not be appropriate for the size of your
mast.
• Exceeding the specified mast bracket tolerances may cause damage to
the bracket and any attached products.
Single mast bracket tolerances (portrait):
Display variant Minimum and maximum mast tolerances
Alpha 7:
90 mm (3.54 in) min — 150 mm (5.91 in) max
Alpha 9: 120 mm (4.72 in) min — 210 mm (8.27 in) max
Single mast bracket tolerances (landscape):
Display variant Minimum and maximum mast tolerances
Alpha 7:
90 mm (3.54 in) min — 150 mm (5.91 in) max
Alpha 9: 120 mm (4.72 in) min — 210 mm (8.27 in) max
Dual mast bracket tolerances (landscape):
Display variant Minimum and maximum mast tolerances
Alpha 7: 90 mm (3.54 in) min — 150 mm (5.91 in) max
Alpha 9: 120 mm (4.72 in) min — 210 mm (8.27 in) max
8.3 Horizon level mounting
It is recommended that you mount the performance display level with the
horizon for the
[SailPoint] and [3D compass] widgets to line up with the
display screen when the boat is stationary.
Note:
Other widgets will not be affected by the performance display’s level.
For more information on the performance display’s [SailPoint] and [3D
compass] widgets, refer to the Alpha Series Performance Display Operation
Instructions (81415).
8.4 Rear mount requirements
Access to the rear of the display and mounting surface is required in order
to install the display.
Ensure there is sufficient access and space behind the mounting surface to
attach and tighten the fixings and also to connect the cables.
Mounting
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