1.
MAJOR HEADING INDEX.
2.
ANNUNCIATOR (M5).
3.
HEADING DIAL.
4.
R A D I O BEARING POINTER (RBP).
5.
SYNCHRONIZING KNOB.
6.
S T E E R I N G INDICATOR (M1).
7.
SIGNAL STRENGTH INDICATOR (M3).
STATION APPROACH INDICATOR (M2).
C O M P A S S POWER FLAG (M4).
EL5KIOO2
Figure 2. Test instrument indicator identification.
(1) Steering indicator (M1) aligns with center dot of
through (3) above.
scale
inch.
(2) Station approach indicator (M2) aligns with up-
measure the resistance between J1-j and both halves of TI
per most dot of scale
inch.
case. The resistance will be no more than 5 ohms.
(3) On the annunciator (M5) there will be no more
b. Using multimeter measure the
resistance between
than
inch of either the dot or cross visible.
J1-A and J1-j and between J1-B and J1-j. The resistance
b. With the TI in any position the various indicators
will be no less than 100,000 ohms.
Will align within
inch of indications specified in a(1)
for repair without further testing.
NOTE
Unless otherwise specified, verify the results of
10. Tests of Heading
Dial. a. Connect equipment as
each test and if the equipment fails to meet the
test requirement, it will be returned to the depot