Memorex RX 1 Smart Installationshandbuch PDF herunterladen (Seite 245)

244 | Simrad MX500

INTERFACE

Electronic circuits that permit the passage of data be-

tween different types of devices; For example, the speed

and heading interface circuit permits data from a speed

log and compass to pass to the navigator processor.

IONOSPHERE

A layer of ionized air about 80 kilometers (50 miles)

above the earth’s surface.

IONOSPHERIC INTERFERENCE

Distortion imparted to a broadcast radio signal as it

passes through the ionosphere.

ITDMA

Incremental Time Division Multiple Access – Access pro-

tocol for pre-announced transmissions of temporary or

non-repeatable character. It is also used during data link

network entry.

ITU

International Telecommunication Union.

KALMAN FILTER

A software routine that produces the navigation solution

(see NAVIGATION SOLUTION).

KEY LOCK

Disabling the EDIT-key so that data entries cannot be

inadvertently made.

LED

Light Emitting Diode.

LEG

One of the segments in a route.

LEEWAY

The leeward drift of the vessel from the true course due

to wind.

LOCAL TIME ZONE

The time zone (see TIME ZONE) in which the navigator is

located.

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Memorex RX 1 Smart Installationshandbuch Seite 245