MD74HR DATASHEET
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COMPASS & HEADING / DIGITAL REPEATERS MD74HR DIGITAL COMPASS REPEATER DISPLAY SKU: F074021 View Online › OVERVIEW FEATURES The MD74HR is a NMEA-based heading repeater with an LCD display. Back-lit LCD Heading Display and Heading Type with red tint Digital heading data (ship’s heading) may be conveniently displayed High visibility red LED Turn Indicator Turn Indicator which can display either Rate of Turn or Course to Steer. No internal moving parts Compact and rugged, the MD74HR offers a heading repeater solution NMEA 0183 Digital Input Automatic selection and prioritisation of NMEA heading data type Automatic indication of loss of valid heading data Automatic detection of previously lost heading data without requiring a reset True / Magnetic Source Indication Rugged Construction Local Dimming Control at any location on a vessel. The MD74HR features a high visibility LED for locations where the available space is limited and may be either bulkhead or panel mounted. Finished in jet black to complement other marine navigation equipment. The MD74HR Heading Repeater from Marine Data: compact and rugged, flexible in application, easy to install and simple to maintain. Repeats the heading display of a ship’s magnetic or gyro compass at any convenient location on a vessel MD74DIM - Remote Dimming Control RELATED PRODUCTS • MD74HR/W - Weatherproof Digital Heading Repeater The complete range of Marine Data Heading Repeaters Transmitting Heading Device (THD) System (

Follow-Up Rate: Numeric Heading Data with Heading Type Panel mount or Bulkhead mount (accessory) Visual Turn Indicator (24 segments) 1 x 5-way screened cable to D-sub connector LCD Display ±0.1°, LED Turn Indicator: 1° Aluminium alloy enclosure Jet Black (RAL9005) Fine-texture Powder Coat LCD Backlight: Red tint; LED Display: Red; variable dimming Error Indication: Indication displayed on-screen ELECTRICAL Power Supply: Data Protocol: Protected Area Data sentences: THS, HDT, HDG and HDM; detected on start‑up in descending order of priority Operating temp: Magnetic Permeability: Category ‘A’...