Japan Radio Co. JMA-5212-4, Руководство по обслуживанию на месте

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1.3. Display System
The display system processes a radar signal transmitted from the scanner unit, removes
unwanted radio wave, and plots/displays radar images in a specified observation range.
The user is to stand in front of the display system and observe the conditions around the
own ship with the radar images displayed on the display unit by operating the switches and
trackball on the operation unit.
The display system consists of the following three units:
1.4. Principal Functions
This radar equipment satisfies the performance requirements defined in the IMO
standard MSC.192 (79) and has the following functions:
Ԙ
Sensitivity adjustment, and sea clutter and rain/snow clutter suppression
ԙ
Interference rejecter
Ԛ
Navigation tools (cursor, VRM, EBL, and parallel cursor)
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Own track display
Ԝ
User map creation and display
ԝ
Radar trail display
Ԟ
Target tracking
*1
ԟ
AIS information display
*1
Ԡ
Self-diagnostic function
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Radar performance monitoring (Performance Monitor)
*1
*1 The function is optional for radar equipment (not an IMO radar) which is designed for
fishing boats.
Figure 1.4 Display unit (NWZ-164)
Operation unit (NCE-7699A)
Figure 1.3 Processor unit (NDC-1460)