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TTS 26B
Section 5
switch to i t s
SEND
AND R E C position.
Connect
a 10 pps p u l s e s o u r c e into the r e c e i v e c i r c u i t of
the
TTS
26B.
The m e t e r should indicate a speed
reading of 1 0 pps.
If not, adjust potemtioneter
R41 until t h i s reading i s obtained.
As this i s a
l i n e a r c i r c u i t , no tracking a d j u s t m e n t s a r e
r e q u i r e d .
Should this c i r c u i t f a i l to t r a c k , then
trouble shooting should be conducted a s outlined
under p a r a g r a p h 5. 19. After r e p a i r of the c i r c u i t ,
c a l i b r a t i o n should b e rechecked a s outlined above.
p u l s e s a r e coupled d i r e c t l y to the c o i l of s l a v e
r e l a y
K4.
The m a k e c o n t a c t s of t h i s r e l a y then
i n t u r n supply the p u l s e s a s r e c e i v e d by the m e t e r
c i r c u i t .
Should this c i r c u i t f a i l to o p e r a t e , the
trouble will be located e i t h e r i n the c o i l of the
r e l a y o r the c o n t a c t s .
If the r e l a y i s found
s a t i s f a c t o r y , then the a s s o c i a t e d switching c i r -
c u i t r y should be checked.
5 . 2 1 SLAVE RELAY C I R C U Z
5 . 2 2 When the METER CIRCUIT switch,
S8,
i s i n
i t s
O/o
BREAK THRU RELAY position, the r e c e i v e d
F i g u r e 5-1
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