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Figure 1-3. Typical System-Application Options
Up
TM-11-5815-206-12 Teletypewriter Sets AN/PGC-1 AND AN/PGC-3 and Teletypewriters TT-4A/TG TT-4B/TG TT-4C/TG TT-335/TG TT-537/G TT-698/TG Manual
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Figure 1-4. Running spares.
TM 11-5815-206-12
c. Circuit Speeds. The teletypewriters are factory-
Signal code . . . . . . . . . . . . . .
Five unit, start-stop; stop im-
pulse length equals start im-
adjusted to operate in 60-words-per-minute (wpm)
pulse length multiplied by
(368.1 operations-per-minute (opm)) teletypewriter
1.42.
circuits. Accessory gears are included with the
Symbols . . . . . . . . . . . . . . . . . . .
TT-4(*)/TG,  TT335/TG,  TT-537/G,
English
Type of characters . . . . . . . . . .
TT-698(*)/TG, and TT-722(*)/TG for operation at
Printer characters per line . . .
72
100 wpm (600 opm). Operation at speeds of 66 wpm
Signal distortion tolerances:
Transmitted signals . . . . . . .
5% max
(404 opm) is possible with gears which are not part of
Received signals:
t h e AN/PGC1, AN/PGC3, TT4(*)/TG or
Bias tolerance Maximum
TT-698(*)/TG.
marking or spacing):
60 wpm opm . . . . . . . . .
40 percent
1-8. Tabulated Data
100 wpm . . . . . . . . . . . . .
35 percent
End distortion tolerance
(maximum, marking or
spacing):
Motor:
60 wpm . . . . . . . . . . . . . .
35 percent
TT-4(*)/TG, TT-698(*)
l00 wpm.. . . . . . . . . . . . .
30 percent
/TG and TT-722(*)/
Orientation range:
TG...................
Approx 150 watts
60 wpm . . . . . . . . . . . . . . . . . .
72 divisions on RANGE dial
TT-335/TG and
100 wpm . . . . . . . . . . . . . . . . .
60 divisions on RANGE dial
Approx 200 watts
TT-537/G . . . . . . . . . . .
Type of paper feed . . . . . . . . . .
Signal circuit:
Paper capacity . . . . . . . . . . . . .
Single-, double- or triple-copy
Approx 10 watts
TT-4(*)/TG . . . . . . . . . . .
roll; 8-inch width, 4-inch
Approx 12 watts
TT-698(*)/TG . . . . . . . . .
maximum diameter. (Only sin-
Voltage requirements:
gle-copy recording paper is
TT-4(*)/TG,
furnished as part of TT-4(*)/
TT-722(*)/TG , . . . . . .
105 to 125 dc or ac (50-60 Hz,
TG).
single phase)
Suppression . . . . . . . . . . .
Teletypewriters do not inter-
TT-335/TG,
fere with radio reception at
TT-537/G . . . . . . . . . . .
108 `to 132 volts (396 to 404 Hz,
frequencies between 0.35 and
single phase)
150 megacycles when located
TT'-698(*)/TG . . . . . . . . .
105 to 125 volts ac (50-60 Hz,
1 foot or more from radio
single phase)
Motor:
Signal circuit:
Type . . . . . . . . . . .
Series-government  (TT-4(*)/TG,
TT-4(*)/TG, TT-335/TG,
TT-698(*)/TC, and TT-722(*)/
105-125 volts dc
TT-722(*)/TG . . . . . . .
6() volts or 120-130 volts dc
TG; synchronous (TT-335/TG
TT-537/G . . . . . . . . . . .
TT-698(*)/TG . . . . . . .
and TT-537/(G)._
6() volts
Speed . . . . . . . . . . . . . . . . . . .
3600 rpm (TT-4(*)TG,
Service range (direct wire,
TT-698(*)/TG and TT-722 (*)
60 ma line current):
/TG); 12,000 rpm (TT-335/TG
25 miles*
60 wpm . . . . . . . . . . . . . .
and TT-537/G).
15 miles*
100 wpm . . . . . . . . . . .
Humidity tolerance . . . . . . . . .
Equipment withstands high
Speed options:
humidity and moisture as
Words per minute
encounted in tropics; it is
(para 1-7c) . . . . . . . . . .
60 (368.1 opm)
fungiproofed and resistant to
66(404 opm)
corrosion.
66 (404 opm)
Temperature ranges:
75 (460 opm)
Equipment in use . . . . . . . . .
+32F (0C)to +130F (+55.6C),
100 (600 opm)
(TT-4(*)/TG); -25F (-32.C)
to +132F (+55.6C) (TT-335/
Type of signals . . . . . . . . . . .
Dc, neutral, 20 or 60 ma
TG and TT-537/G)
Dc, polar6 vdc
Equipment in storage . . . . .
-800F (62C) to 160F (+71.1C)
* Approximate range, using a field-wire, ground return circuit
(para 216) with both field wire conductors connected in parallel
(both wires used for metallic part of the circuit). Actual range will
vary in accordance with the type of wire used and the type and con-
dition of the circuit.
Change 1
1-4

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