Radio Shack TRS-80 Modem II Operation Manuals page 38

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_/
F
V-4*-
( PROGRAM
EXECUTE
)
OUTPUT
DIAL
ERROR
"H"
M00EM-
OFF
HOOK
DELAY
2.0
SECONDS
DIAL PHONE NUMBER
DTRLAMP-ON
DELAY
2.0
SECONDS
MUTE
OFF
TXENAHLE=ON
TX ENABLE* OFF
TURN ON
TX ENABLE