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INB100014-1 (Rev 19)
IND100078-10
General Installation Recommendations
Installation
Ergonomics
1. Adjust the unit height so that the top of the screen is at or below eye level. Your eyes should
look slightly downwards when viewing the middle of the screen.
2. Adjust screen inclination to remain gaze angle to the centre of the screen approximately
perpendicular to the line of gaze.
3. When products are to be operated both from a sitting position and from a standing position, a
screen inclination of about 30° to 40° (from a vertical plane) has turned out to be favourable.
4. The brightness of displays is limited. Sunlight passing directly through the bridge windows - or its
reection - which falls upon the screen workplaces must be reduced by suitable means
(negatively inclined window surfaces, Venetian blinds, distance from the windows, dark colouring
of the deckhead)
5. Units in the bridge wing area must be installed or mounted by suitable alignment or
bulkhead/ deckhead mounting in such a way that reections of light from the front pane of the
display are not directed into the observer’s viewing direction.
6. The use of ordinary commercial lter plates or lter lms is not permitted for items of equipment
that require approval (by optical effects, “aids” of that kind can suppress small radar targets, for
example).
General mounting instructions
- The useful life of the components of all Electronics Units generally decreases with increasing
ambient temperature; it is therefore advisable to install such units in air-conditioned rooms. If there
are no such facilities these rooms must at least be dry, adequately ventilated and kept at a suitable
temperature in order to prevent the formation of condensation inside the display unit.
- With most Electronic Units, cooling takes place via the surface of the casing. The cooling must not
be impaired by partial covering of the unit or by installation of the unit in a conned cabinet.
- In the area of the wheel house, the distance of each electronics unit from the magnetic standard
compass or the magnetic steering compass must not be less than the permitted magnetic
protection distance.
This distance is measured from the centre of the magnetic system of the compass to the nearest
point on the corresponding unit concerned.
- Units which are to be used on the bridge wing must be installed inside the “wing control console”
protected against the weather. In order to avoid misting of the viewing screen, a 25 ... 50 W
console-heating (power depending on the volume) is recommended.
- When selecting the site of a display unit, the maximum cable lengths have to be considered.