DEC VT220 Technical Manual page 199

Electrical
Line voltage
(switch selectable)
Line frequency
Line current
Input power
Power cord
Power cord receptacle
BTU
Display
CRT
Active display size
Format
Character
Character size
Character sets
Video attributes
Cursor type
90-128 Vac (100-120 rms nominal)
single phase, 3-wire
180-268 Vac (220-240 rms nominal)
single phase, 3-wire
47-63 Hz
0.48 Arms @ 120 Vac rms
0.24 Arms
@
240 Vac rms
60 W maximum
Detachable, 3-conductor, grounded
EIA specified CEE22-6A
215 Btu/hr, 63 W
30.5 cm (12 in) diagonal measure
monochrome
Horizontal: 20.3 cm (8 in)
vertical: 12.7 cm (5 in)
24 lines of 80 or 132 characters
7
X
9 dot matrix with 2 descenders
80 column mode:
3.35
X
2 mm (0.132
X
0.078 in)
132 column mode:
3.35
X
1.3 mm (0.132
X
0.051 in)
ASCII, UK National, DEC Special
Graphic, and DEC Supplemental
Character Sets (each 94 characters)
Reverse video, underline, bold, and
blinking -- selectable individually
or in any combination
Blinking block character or blink-
ing underline
A-2