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Video Display Color (on the TDS 644A) or monochrome (on the TDS 620A, 640A)
display, 7 inch diagonal, with a display area of 5.04 inches horizonĆ
tally by 3.78 inches vertically
Video Display Resolution 640 pixels horizontally by 480 pixels vertically
Waveform Display Graticule Single Graticule: 401 × 501 pixels, 8 ×10 divisions, where divisions
are1cmby1cm
Waveform Display Colors Scale TDS 644A: Sixteen colors in infiniteĆpersistence or variable persisĆ
tence display with color coding.
TDS 620A and 640A: Sixteen levels in infiniteĆpersistence or variaĆ
bleĆpersistence display styles.
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Interface, GPIB GPIB interface complies with IEEE Std 488Ć1987
Interface, RSĆ232 RSĆ232 interface complies with EIA/TIA 574 (talk only)
Interface, Centronics Centronics interface complies with Centronics interface standard
C332Ć44 Feb 1977, REV A
Interface, Video VGA video output with levels that comply with ANSI R5343A stanĆ
dard. DBĆ15 connector.
Logic Polarity for MainĆ and DelayedĆ
Trigger Outputs
Negative TRUE. High to low transition indicates the trigger occurred.
Fuse Rating Either of two fuses
may be used: a .25I × 1.25I (UL 198.6, 3AG):
6 AFAST,250V,ora5mm×20 mm, (IEC 127): 5 A (T), 250ĂV.
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