Vessel construction
The construction of your vessel can have an impact
on GPS performance. For example, the proximity
of heavy structure such as a structural bulkhead,
or the interior of larger vessels may result in a
reduced GPS signal. Before locating equipment
with an internal GPS antenna below decks, seek
professional assistance and consider use of an
external GPS antenna mounted above decks.
Prevailing conditions
The weather and location of the vessel can affect the
GPS performance. Typically calm clear conditions
provide for a more accurate GPS fix. Vessels at
extreme northerly or southerly latitudes may also
receive a weaker GPS signal. GPS antenna mounted
below decks will be more susceptible to performance
issues related to the prevailing conditions.
EMC installation guidelines
Raymarine equipment and accessories conform to
the appropriate Electromagnetic Compatibility (EMC)
regulations, to minimize electromagnetic interference
between equipment and minimize the effect such
interference could have on the performance of your
system
Correct installation is required to ensure that EMC
performance is not compromised.
Note:
In areas of extreme EMC interference,
some slight interference may be noticed on the
product. Where this occurs the product and the
source of the interference should be separated by
a greater distance.
For
optimum
EMC performance we recommend
that wherever possible:
• Raymarine equipment and cables connected to
it are:
– At least 1 m (3 ft) from any equipment
transmitting or cables carrying radio signals e.g.
VHF radios, cables and antennas. In the case
of SSB radios, the distance should be increased
to 7 ft (2 m).
– More than 2 m (7 ft) from the path of a radar
beam. A radar beam can normally be assumed
to spread 20 degrees above and below the
radiating element.
• The product is supplied from a separate battery
from that used for engine start. This is important to
prevent erratic behavior and data loss which can
occur if the engine start does not have a separate
battery.
• Raymarine specified cables are used.
• Cables are not cut or extended, unless doing so is
detailed in the installation manual.
Note: Where constraints on the installation
prevent any of the above recommendations
,
always ensure the maximum possible separation
between different items of electrical equipment, to
provide the best conditions for EMC performance
throughout the installation
Viewing angle considerations
As display contrast, color and night mode
performance are all affected by the viewing angle,
Raymarine recommends you temporarily power up
the display when planning the installation, to enable
you to best judge which location gives the optimum
viewing angle.
LCD orientation
Raymarine multifunction displays (MFDs) can be
viewed from wide angles top to bottom and left to
right.
3
4
2
1
D131 19-1
1.
Top
2.
Bottom
3.
Left
4.
Right
LCDs can be orientated in 2 directions:
1
2
D13120-1
1.
12 O’clock
— Standard orientation (In the 12
O’clock orientation the LCD is better viewed from
top to bottom than it is from bottom to top.)
2.
6 O’clock
— Inverted orientation (In the 6
O’clock orientation the LCD is better viewed from
bottom to top than it is from top to bottom.)
The table below details the LCD orientation for each
gS Series MFD.
MFD
LCD
orientation
MFD
LCD
orientation
gS95
(E70124)
12 O’clock
gS95 INV
(E70183)
6 O’clock
gS125
(E70125)
12 O’clock
gS125 INV
(E70184)
6 O’clock
Planning the installation
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Содержание gS125 inverted
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