Chapter 1 21
Supports colors 262,144 colors
Optical Specification
Brightness control key board hotkey
Contrast control keyboard hotkey
Electrical Specification
Supply voltage for LCD display (V) 3.3 (ty p. )
Supply voltage for LCD ba cklight (Vrms) 630(typ.)
AC Adapter
Item Specification
Vendor & model name Delta ADT-60XB D 3P
Input Requirements
Maximum input current (A,
@90Vac, full load) 1.5 A @ 90Vac
0.9 A @ 180Vac
Nominal frequency (Hz) 47 - 63
Frequency variation range (Hz) 47 - 63
Nominal voltages (Vrms) 90 - 270
Inrush current The maximum inrush current will be less t han 50 A an d 100A wh en th e a dapt er
is connected to 115Vac(60Hz) and 230Vac(50Hz) respect iv el y.
Efficiency It should provide an efficiency o f 83% minimum, when meas ured at maximum
load under 115V(60Hz).
Output Ratings (CV mode)
DC output voltage +19.0V~20.0V
Noise + Ripple 300mvp-pmax (20MHz bandwidth)
Load 0 A (min.) 2.4 A (max.)
Output Ratings (CC mode)
DC output voltage +12 V ~ +19V
Constant output 2.75 ± 0.2 A
Dynamic Output Characteristics
Turn-on delay time 2 sec. (@115Vac)
Hold up time 4 ms min. (@115 Vac input, full load)
Over Voltage Protection (OVP) 24 V
Short circuit protection Output can be shorted without damage
Electrostatic discharge (ESD) 15kV (at air discharge)
8kV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary 1 500 Vac (or 2121 Vdc), 10 mA for 1 second
Leakage current 0.25 mA max. (@ 254 Vac, 60Hz)
Regulatory Requirements Internal filter meets:
1. FCC class B requirements. (USA)
2. VDE 243/1991 class B requirements. (German)
3. CISPR 22 Class B requirements. (Sc an di na v ia )
4. VCCI class II requirem ents. (Japan)
LCD
Item Specification
340SG.book Page 21 T hursday, October 28, 1999 10:51 AM