Other Information
Specifications
LCD
Type
Display Size
Color Filter
Glass Surface
Input Signal
Video Sync
Compatibility
PC
Macintosh
Resolution
Recommended
and supported
Power
Voltage
Display area
Full Scan
Operating
Temperature
2
conditions
Humidity
Altitude
Storage
Temperature
conditions
Humidity
Altitude
Dimensions
Physical
Weight
Physical
Power saving
On
modes
Off
Warning: Do not set the graphics card in your computer to exceed these refresh rates; doing so may result in
permanent damage to the LCD display.
1
Macintosh computers older than G3 require a ViewSonic
ViewSonic.
2
Optical performance might be changed under different operating conditions. For better optical performance,
+77°F (+25°C) with 50% RH operating environment is recommended.
ViewSonic VA1947a-LED/VA1947ma-LED
TFT (Thin Film Transistor), Active Matrix 1366 x 768 LCD,
0.3 mm pixel pitch
Metric: 47 cm
Imperial: 19" (18.5" viewable)
RGB vertical stripe
Anti-Glare
RGB analog (0.7/1.0 Vp-p, 75 ohms)
Separate Sync
f
:24-82 kHz, f
h
Up to 1366 x 768 Non-interlaced
1
Power Macintosh up to 1366 x 768
1366 x 768 @ 60 Hz
1360 x 768 @ 60 Hz
1280 x 1024 @ 60, 75 Hz
1280 x 960 @ 60, 75 Hz
1280 x 800 @ 60, 75 Hz
1024 x 768 @ 60, 70, 72, 75 Hz
800 x 600 @ 56, 60, 72, 75 Hz
640 x 480 @ 60, 75 Hz
720 x 400 @ 70 Hz
100-240 VAC, 50/60 Hz (auto switch)
409.8 mm (H) x 230.4 mm (V)
16.1" (H) x 9.1" (V)
32° F to 104° F (0° C to 40° C)
10% to 90% RH (non-condensing)
To 10,000 feet
-4° F to +140° F (-20° C to +60° C)
10% to 80% (non-condensing)
To 40,000 feet
456 mm (W) x 378 mm (H) x 220 mm (D)
17.97" (W) x 14.88" (H) x 8.66" (D)
6.48 lbs (2.94 kg) (VA1947a-LED)
6.50 lbs (2.95 kg) (VA1947ma-LED)
20W (Typical) (VA1947a-LED)
22W (Typical) (VA1947ma-LED)
<0.5W
:50-75 Hz
v
(blue LED)
(blue LED)
®
Macintosh adapter. To order an adapter, contact
16