TM 11-5805-246-10
2-18. FOUR-WIRE CIRCUIT FULL DUPLEX TELETYPEWRITER OPERATION OVER TWO-WAY RADIO.
This task covers:
Four-wire circuit
INITIAL SETUP
Personnel Required
Tools
One technician
None
Materials/Parts
Equipment Condition
Equipment connected.
None
See paragraph 2-9.
ACTION
ITEM
REMARKS
LOCATION
Set to NORM.
1. Telegraph terminal
NORM-REC-SEND
control panel
switch (1)
Set to 4W.
4W-2W-TEL
2.
switch (2)
RING switch (3)
Use RING switch to signal the distant station
3.
only if a vf ringer is a component of that
system.
Glowlamp (4)
Transmission is possible when lamp is on or
4.
off.
NOTE
Full duplex operation refers to sending and receiving between
two points in both directions at the same time. Home copy is
not possible during this time because internal home copy
strap has been removed.
2-54
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