Garmin 74C Projector User Manual


 
Appendix A: Technical Specifications 85
A
Appendix A: Technical
Specifications
General
Type of display Poly-silicon TFT active matrix
LCD panels (3) Diagonal size: 0.7 inches (17.8 mm)
Lens F=1.70 to 1.87, f=21.3 to 25.6 mm
Resolution 74c: 1024
× 768 pixels
54c: 800
× 600 pixels
Color reproduction Full color, 16.8 million colors
Brightness (ANSI) 2000 lumens (High brightness mode)
1500 lumens (Low brightness mode)
Contrast ratio 500:1
Image size 30 to 300 inches (0.8 to 7.6 meters)
Projection distance 2.9 to 34.4 feet (0.9 to 10.5 meters)
Projection methods Front, rear, ceiling
Focus adjustment Manual
Zoom adjustment Manual
Internal sound system 1 W monaural
Optical aspect ratio 4:3 (horizontal : vertical)
Zoom ratio 1:1.2
Noise level 38 dB (High brightness mode)
33 dB (Low brightness mode)
Keystone correction
angle
± 15° vertical (maximum)
Pixelworks DNX
ICs are used in this projector.