ADDS Viewpoint 3A

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ADDS Viewpoint 3A
Manufacturer ADDS
Model Viewpoint 3A
Lifetime
Introduced January, 1982
Introductory Price $650
Communication
Interface RS-232C
Baud Rates 110, 300, 1200, 2400, 4800, 9600, 19200
Display
Size 12-inch
Refresh Rates 50 Hz, 60 Hz
Firmware
Personalities Lear Siegler ADM-3A

The ADDS Viewpoint 3A terminal was introduced in January, 1982 at a price of $650.[1] [2]

Rear Panel Switch Settings[3]
Switch # Name Setting Function
S1-1,2,3 Data Rate (bps) 000 110
001 300
010 1200
011 1800
100 2400
101 4800
110 9600
111 19200
S1-4 Auto Scroll 0 Disabled
1 Enabled
S1-5 Auto Line Feed 0 Disabled
1 Enabled
S1-6 Line Mode 0 Half Duplex
1 Full Duplex
S1-7,8 Parity 00 Odd
01 Even
10 Marking
11 Spacing
Internal Switch Settings
Switch # Name Setting Function
S2-1 Character Display 0 Light on dark
1 Dark on light
S2-2 Parity Error 0 Disabled
1 Enabled
S2-3 Screen Refresh 0 60 Hz
1 50 Hz
S2-4 Mode 0 3A Mode
1 3A Plus Mode
S2-5 Clear Screen (CTRL-Z) 0 Enabled
1 Disabled
S2-6 Space/Adv 0 Disabled
1 Enabled (not used in 3A+ mode)
S2-7 Cursor 0 Steady
1 Blinking
S2-8 Cursor 0 Block
1 Underline

References

  1. "Adds Offers CRT Terminal", Computerworld, January 18, 1982, pg. 60
  2. InfoNews/Hardware, InfoWorld, February 1, 1982, pg. 43
  3. ADDS Viewpoint news, fetched March 11, 2012
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