Umtech Videobrain Parts list manual

V ideoBrain™ Abbreviated
Instruction Card
BE SURE TO READ THIS CARD BEFORE OPERATING,
ESPECIALLY I PORTANT NOTICE ON REVERSE.
Important Safeguards
1. Do not block air vents.
2. Do not open cabinet.
3. Keep from rain, moisture and eat.
Antenna Connection
1. Disconnect your antenna lead-in wires from t e screws on
your TV set and connect to screws on VideoBrain antenna
switc box.
2. Connect t e two antenna lead-in wires from t e antenna
switc box to t e screws on your TV. Set terminal switc on
TV (if present) to 300 o ms.
3. Switc VideoBrain antenna switc box to “ Computer” .
4. Plug antenna cord from back of VideoBrain console onto
antenna switc box socket labelled “ Computer” .
5. Switc TV on to c annel 3 or 4 and switc back of computer
to same c annel.
Power Connection
Use VideoBrain’s AC adaptor only. Secure adaptor to wall
socket using center screw from cover plate. Plug ot er end
into socket marked " power" on t e back of VideoBrain.
Operation
1. Switc power on (lig t s ould go on). Pus MASTER
CONTROL
2. Use SHIFT to tell computer w et er to respond to c aracters
on top alf of keys or c aracters on bottom alf. Rectangle
at bottom rig t of TV screen is dark if keyboard is s ifted
down, lig t if s ifted up.
3. Use bottom row keys- T EXT, COLOR, CLOCK, and ALARM
to c oose built-in programs.
4. TEXT lets you type a message on t e screen and SPECIAL
lets you c ange t e display. BACK backspaces. ERASE erases
t e c aracter t e cursor is pointing to. PREVIOUS moves t e
cursor to t e left or up one line. NEXT moves t e cursor to
t e next line. SPACE moves t e cursor one space to t e rig t.

Operation (Cont.)
5. After c oosing CLOCK or ALARM, set time by pus ing S,
pus ing SHIFT, and keying in numbers only. One digit num
bers must be written wit a zero (eg. 02).
6. Use COLOR to adjust TV color controls and fine tuning.
To Insert A Cartridge
1. Slide cartridge out of cardboard sleeve.
2. Pus eject button above keyboard on console.
3. Slide cartridge into tracks. Pus door s ut.
4. Pus MASTER CONTROL.
achine Set Up
VideoBrain must be set up exactly rig t in order to work
properly. C eck t roug detailed set-up and operating in
structions in Owner’s Manual. Work t roug c ecklist at
end of Owner’s Manual and also c eck manual or cartridge
broc ure to make sure you are expecting VideoBrain to do
only w at it is programmed to do.
Mac ine Warm Up Your new VideoBrain computer, like its larger counterparts,
is built around complex and sop isticated large scale
integrated circuits w ic require normal operating
temperature for proper performance. It is possible t at
during t e first few minutes after t e VideoBrain as been
turned on, and is still warming up, you will notice t at t e
picture on your TV set jiggles somew at. T is is perfectly
normal and will cease as soon as t e mac ine as reac ed
its operating temperature (2-5 minutes).
Machine Power UpUnder certain circumstances, w en t e VideoBrain is initially
turned on, you may see eit er a blank TV display or a display
t at makes no sense. T is is not a malfunction, but simply
t e result of some random initial condition in t e memory
banks of t e mac ine. To correct, merely turn t e power off
and t en on again and Key Master Control. Repeat once
or twice if necessary.
VideoBrain™
©1977 VideoBrain Computer Co.
150 Sout Wolfe RoadSunnyvale, CA 94086