Atari 400 User Manual

24 User's Handbook to the Atari 400/ 800 Computers
The printer is now installed. Turn the printer 's power switch on
and press the paper advance button once. The printer is now
ready for paper to be loaded.
Installing the Atari 822 Printer
The installation procedure for the Atari 822 printer is essentially
the same as for the Atari 820 printer.
Installing the Atari 825 Printer
The Atari 850 Interfa ce Module is required to install the Atari 825
printer to either the Atari 400 or 800. The Int erface Module
converts serial data from the comp uter into parallel data used by
the Atari 825.
The installation procedure for the Atari 825 is depicted in
Illustration 2-3. A few words of ca ution are in order before
beginning installation. First of all, the Atari 825 should be
installed at a distance of at least 2 feet from your television set.
Secondly, be certain that all of the power switches on both the
Atari 825 and Atari 400 or 800 are turned off prior to installation.
Finally,
not e that the Atari 825 is delivered with a ribbon
installed. During installation, try to keep the Atari 825 level.
Otherwise, the ribbon may fallout of its tray.
Illustration 2-3. Installing the Atari 825 Printer
•
ATARI 400 or 800
Int erface Module
Cauli on: Be ce rlain 10 inslall Ihe
Alari B25 al a di slance of al l eas l 2
feel from Ihe TV se l or monilOr.
ATARI 825 Printer

Atari 400 Specifications

General

Manufacturer	Atari
Model	400
Type	Home Computer
Release Year	1979
CPU	MOS Technology 6502
CPU Speed	1.79 MHz
ROM	10 KB
Operating System	Atari OS
Keyboard	Membrane keyboard
RAM	8 KB (expandable to 48 KB)
Graphics	ANTIC and GTIA chips
Sound	4 channels
Display	RF output for connection to TV
Storage	Optional cassette tape drive or floppy disk drive
Ports	Cartridge
Display Resolution	320x192 (16 colors)