Atari 400 User Manual

CHAPTER 2.
INSTALLATION AND OPERATION OF
ATARI COMPUTERS
Introduction
If you are a first-time computer user, your Atari may seem a little
confusing at first. However , using a computer is really very
simpl
e. In this chapter, we hop e to show you exactly how simple
your Atari is by showing you step-by-step how to install and
operate it.
Installing the Atari 800
First of all, when you unpack your Atari 800, save the carton and
packing
material. These should be used if the Atari is to be
moved or stored.
The Atari
800 is easy to install. First of al l, install eit her a video
monitor via the monitor jack on the side of the console or a TV
set using the TV sw itch box.
The
TV switch box has been designed so that it can be
permanently installed on your TV set, as it allows regular TV
reception as well as video output for the Atari. The TV switch box
ha s an adhesive backing that can be used to attach it to the back
of your TV set.
The
TV switch box contains a switch marked Computer / TV .
When this switch is at the Computer position, the TV set receives
its signals
from the Atari 800 . When the switch is set to the TV
position , the TV set receives its signals from your television
antenna.
To install
the TV switch box, first of all, disconnect your television
antenna
from the VHF terminals at the back of your TV set. The
antenna should be either of the fo llowing :

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)