They have an expiration date
That's the technical description for a signal flare !
characteristics of pyrotechnic visual distress devices
scrambler
A display device is an output device for presentation of information for visual, tactile or auditive reception, acquired, stored, or transmitted in various forms. When the input information is supplied as an electrical signal, the display is called electronic display. Electronic displays are available for presentation of visual, tactile and auditive information.
One possibility could be Visual Display Device (commonly known as a monitor !)
CQD it means all stations distress.
They have an expiration date
characteristics of pyrotechnic visual distress devices
Have an expiration date.
They have an expiration date
They have an expiration date
They have an expiration date.
3
3
That's the technical description for a signal flare !
1
They have an expiration date
Two