Model Number: MD222-406
Course Deviation Indicator
2", GS/LOC, NAV, GPS, VLOC, With resolver

Features

*Compact 2 1/4 inch size saves panel space
*Innovative Safety Feature ? pointers move out of view with invalid signal
*Precision replacement for older navigation indicators
*Use in helicopters, where space is limited, or as a backup for glass panel displays
*Rectilinear meter movements allow for more accurate readings
*LED backlighting looks great and provides increased reliability
*Built-in annunciations for NAV, GPS, and VLOC or BC
*FAA TSO approved for use with most GPS and VOR systems
*Rugged construction includes ball bearings in critical areas
*True course resolver output (1 volt, 30 Hz)
*Quality Mil-Spec connectors included
*Designed and built in Wichita, Kansas, USA
*One year limited warranty

Specifications

Power Input
Accepts 11 to 32 volts DC, 0.3A max.

Lighting
Internal white LED. Lighting control voltage is selectable for 5, 14 or 28 VDC

Weight
0.6 lbs.

Certification
FAA TSO-C34e, -C36e, -C40c
RTCA DO-192, -195, -196, -160E

Length
3.5 inches

Temperature Range
?30°C to +55°C (?22°F to 130°F)

Humidity
95% non-condensing

Altitude
?15,000 ft. to +55,000 ft.

Cover Glass
Special HEA (anti-reflective) coating

Connector
25-pin male D-Sub (MD25M3S0V50)

Mating Connector
25-pin female D-Sub (MD25F3R4000 or equivalent)

Color
Index marks and text: white
Dial background: black
Glideslope & navigational pointers: white
Bezel: black

Operational Shock
Rigid mounting, 6G operational, 15G crash safety

Input Range
Common mode voltage range is 1V to 5V for deviation signal inputs

NAV/GS Deviation
Input impedance:
Normal: 1k ohms ± 10%
Max Operating Temp Range: 1k ohms ± 25%

Deflection sensitivity:
Normal: 150 mV ± 10%
Max Operating Temp Range: 150 mV ± 25%

Valid NAV/GS Meter
Input impedance:
Normal: 1k ohms ± 10%
Max Operating Temp Range: 1k ohms ± 25%

Meter in view:
Normal: 260 mV ± 10%
Max Operating Temp Range: 260 mV ± 25%

To/From Annunciation
Input impedance:
Normal: 200 ohms ± 10%
Max Operating Temp Range: 200 ohms ± 25%

To or From in view:
Normal: ± 40 mV ± 15%
Max Operating Temp Range: ± 40 mV ± 25%

OBS Resolver
Zeroed at:
Normal: 300° ± 1° ORZ
Max Operating Temp Range: 300° ± 2.5°