Tektronix 570, Manual

Page: 19 / 134

SECTION 2
OPERATING INSTRUCTIONS
General
The Type 570 Oscilloscope is an extremely
vers atile instrument which is adaptable to a great
number of applications . However , to make full
u s e of the instrument, it is important that
you understand the operation and function of the
various controls. This section of the manual
is designed to give you this information.
NOTE
connections. Practice safety by
connecting each lead first to the
adapter plate and then to the patch
panel.
Fuses are used to protect some of the
c i rcuits supplying power to the patch
panel. Damage to other circuits is
possible by extended periods of
h e avy overload.
In
no case is any
provision made to protect the
vacuum tube or other device being
tested.
P R E L I M I NARY INSTRUCTIONS
Cooling
High voltages can be present at the
patch panel. The flexible operational
s etup facility of the Type 570 re­
quires that potentially dangerous
voltages be available at the patch
panel. Turn off the POWE R-TEST
switch when making o r changing
A fan maintains safe operating temperature in
the Type 570 by circulating filtered air over
A A
2
2
• • • • •
• • • • •
J
• • • • •
• • • • •
li7V
T401
• • •• •
• • • • •
• • • ••
234V
3
2
4 1
3
2
1
•
•
•
•
• •
• •
• •
• •
117V
TSOI
• •
• •
• •
• •
• • •• •
• • • • •
• • •• •
• • •••
234V
Fig.
2-1.
Connections
to
be made when the Type 570 is connected for
234 (117)
volt operation.
3
4
3
4
2-1