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Chapter 1 31
Viewing Angle (degree)
Horizontal: Right/Left
Vertial: Upper/Lower
40/40
20/40
40/40
10/30
45/45
15/35
Temperature Range( C)
Operating
Storage (shipping)
0 to +50
-20 to +60
0 to +50
-20 to +60
0 to +50
-20 to +60
AC Adapter
Item Specification
Vendor & model name Liton, 135W power supply
Input Voltage
Low Range 90(min.)/137(max.)/100-127(nominal)
High Range 180(min.)/265(max.)200-240(nominal)
Input current 2.2A(max)
Nominal frequency (Hz) 50-60
Frequency variation range (Hz) 47-63
Efficiency It should provide an efficiency of 85% minimum, when measured at maximum
load under 115Vac.
Output Requirements
DC output voltage 19V
Noise + Ripple 380mV as output voltage is 19V
Peak Load 18.5V-19.71V
Dynamic Output Characteristics
Turn-on delay time 5 sec (@ 115Vac)
Hold up time 5ms (@115Vac, Full load)
Over Voltage Protection (OVP) 29V
Short circuit protection 9.5A @19V output voltage
Electrostatic discharge (ESD) 15KV (at air discharge)
8KV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary 2150VDC for 1 sec.
Ground leakage current less than 250uA
Power Management
Power Saving Mode Phenomenon
Standby Mode
Enter Standby Mode when
1.Standby/Hibernation hot-key is pressed
and system is not ready to enter Hibernation
mode.
2.System standby/ Hibernation timer expires
and system is not ready to enter Hibernation
mode.
T The buzzer beeps
T The Sleep indicator lights up
LCD
Item
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