The military R-394KM clandestine transmitter and its spy variant Strizh,
consist of three building blocks: A receiver (TX), a Digital Storage Unit
(DSU) and a transmitter (TX). The radio station can only be used when all
three units are mounted together. The spy-version of the set generally has
English text on its control panel, whilst the text on the military version
is commonly in Russian (although other language variants are known to
exist). The front panel of the spy-version looks as follows:
Using the receiver
Preparing a message
Using the transmitter
...
Sending a burst transmission
...
Sending messages in morse code
In emergency situations it is possible to send messages directly in morse
code, without encoding them and loading them into the DSU first.
There are three ways to send a message manually:
