Garmin 74C ユーザーズマニュアル

A

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.