Morse code key controller, automatic memory key controller, vehicle transceiver, suitable for CW MXK2 radio amplifier.

Product Type: Morse Code Keypad Product Material: Aluminum Alloy Product Model: MX-K2 Instructions for Use: Battery: 2 AAA batteries (not included) J1: Buzzer mute. L/R: Beep/Click or Click/Beep. F1 key can memorize 60 words and has power-off protection. F2 key can memorize 50 words; data is not saved in case of power failure. R3 key is used for speed control; the lower the R3 value, the faster the speed. Recording: Press and hold the F1/F2 key for more than half a second; you will hear "M," at which point CW will be recorded automatically. After recording, press the F1/F2 key; you will hear "S." If the volume is too loud, it will emit an "F" prompt tone; the excess portion will not be recorded. Messages: Each message can not only be stored in the large memory, but can also be divided into multiple parts by entering EOM (End of Message) at the end of each segment. Playing Segments: To play the second segment, simply press the memory key twice; to play the third segment, press it three times, and so on. Command Mode: Press F1 and F2 simultaneously. You will hear "C," indicating the system is in command mode. Exit Command Mode: Press F1 and F2 again simultaneously, or press the Auto Key and enter "D." When using the Auto Key, the PIC will judge: a correct command will be heard as "R," and an invalid command as "?". "A": Disable long/short tone memory. "B": Enable long/short tone memory. This is the most commonly used command. "C" and "E": Repeat playback. In "E" command mode, playback will repeat 255 times and then automatically stop. To disable the long/short tone auto key, simply press this key. Pressing it again will end playback after the keypresser recognizes "R." The "C" key cannot stop automatically but can be used as an indicator key. To disable it, simply press the voice auto key briefly. Pressing it again will stop playback automatically after the keypresser recognizes "R." The "D" key exits command mode and returns to normal mode. The "T" key transmits a command for 30 seconds, then returns to command mode.