Section III. OPERATION UNDER USUAL CONDITIONS

Meter, indicator lamp

Meter, indicator lamp,

Function

or jack

Meter . . . . . . . . . . . . . . . . . . Indicates condition of tube under

A fuse and an overload indicator.

FUSE lamp . . . . . . . . . . .

test. A LINE TEST mark at

Provide a means of connecting

Grid (G) and plate

midscale is used to establish

grid and plate test leads to

(P) jacks

correct input voltage to power

bias and plate voltage circuits,

transformer.

respectively.

Indicates and locates shorted

SHORTS lamp (not

tube elements.

a panel marking

Enables test set operator to

NOISE test jacks

on TV-7/U)

check level of noise generated

(2)

PILOT lamp . . . . . . . . . . I n d i c a t e s w h e n p o w e r i s d e -

by tube under test.

livered to test set.

Section III. OPERATION UNDER USUAL CONDITIONS

operating procedure (par. 18), and the use of

12.

General

Instructions

the

test

data

book

15)

are

understood.

Do not operate the test set until the functions

Refer to paragraph 24 whenever a special test-

ing procedure is indicated in the test data book.

of the controls and the indicators (par. 11), the

Figure 6. Test Set, Electron Tube TV-7/U, front panel.