Push-to-type operation: In telegraph or
data transmission
Data transmission and data reception or, more broadly, data communication or digital communications is the transfer and reception of data in the form of a digital bitstream or a digitized analog signal transmitted over a point-to-point o ...
systems, that method of communication in which the operator at a station must keep a
switch operated in order to send messages.
Push-to-type operation is used in
radio
Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmit ...
systems where the same
frequency
Frequency is the number of occurrences of a repeating event per unit of time. It is also occasionally referred to as ''temporal frequency'' for clarity, and is distinct from ''angular frequency''. Frequency is measured in hertz (Hz) which is eq ...
is employed for transmission and reception.
Push-to-type operation is a derivative form of transmission and may be used in simplex, half-duplex, or
duplex operation. ''Synonym'' press-to-type operation.
This is similar to
Push-to-talk operation
Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode.
H ...
for radio phone communications.
References
{{FS1037C MS188
Telegraphy