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T T S 26B
Section 3
SECTION 3
OPERATING INSTRUCTIONS
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3 . 1 GENERAL.
- -
3 . 2 T a b l e 3-1 l i s t s the functions of a l l c o n t r o l s and i n d i c a t o r s shown indexed on fig. 3 - 1 .
P a r a g r a p h s
3 . 3 through 3 .
19
provide the operating i n s t r u c t i o n s .
TABLE 3-1
Index No.
Control o r
Indicator
Function
SEND P P S
Switch
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P r o v i d e s the following functions:
1 .
Switches the power on o r off.
2 .
Controls the p u l s e r a t e of the i n t e r n a l o s c i l l a t o r for
any one of the available seven d i s c r e t e pulse r a t e s .
ADJ
70
BREAK
P r o v i d e s the m e a n s f o r adjusting the
70
b r e a k of the
POTENTIOMETER
t r a n s m i t t e d p u l s e s f r o m the i n t e r n a l o s c i l l a t o r o r f r o m
an e x t e r n a l d i a l .
METER CAL
P r o v i d e s the m e a n s f o r calibrating the m e t e r c i r c u i t r y .
POTENTIOMETER
FUNCTION SWITCH
P r o v i d e s the following functions in clockwise sequence:
1 . SEND
a .
ON HOOK
b.
O F F HOOK
2 .
SEND AND
R E C
L
I
'
8
3 .
CAL
a.
ADJ
1 7 0
BREAK
\
b.
CAL METER
RECEIVE Switch
P r o v i d e s the following r e c e i v e functions in clockwise
sequence:
1. B & G ON L O O P
2 .
LOOP
3 .
B & O ( M )
5.
G&O ( E )
6 .
The final clockwise position p e r m i t s the SEND o r SENE
AND R E C switch to c o n t r o l both sending and receiving
functions, a s shown in i t e m
6
following.
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