Features Data protection: Morse code keyer has segmented data storage and protection functions, bringing more convenience to storage. Different modes: In addition, the command mode can send the internally stored words more easily, and the reading mode is also very convenient. Simple control: including power failure protection function, super energy saving. Adjustable speed switch, the control panel potentiometer can be adjusted at any time. Easy to use: There are no complex button switches, and there are only two buttons and a telephone switch on the key controller. A simple operation will greatly save your labor. Convenient Carrying: Lightweight and compact in size, the CW keyer is very convenient to carry with you for outdoor work. Specification: Item Type: Morse Code Keyer Model: MX-K2 CW Keyer Material: aluminum alloy Battery: 2 AAA batteries, delivered without battery. How to use: 1. J1: Mute buzzer. 2. L/R: di/da or da/di. 3. The F1 key can memorize 60 words and has a power-off protection function. 4. F2 key can memorize 50 words and does not protect data after power failure. 5. R3 key is used for speed control. As the value of R3 decreases, the speed becomes faster. 6. Recording: Hold down F1 or F2 for more than half a second, you will hear M, and now it will automatically record CW. 7. After finishing, press F1 or f2 and you will hear S. 8. If you exceed the volume, an F will remind you and it will exceed the standard. 9. T will not be saved. 10. Information: Each information can not only store a large amount of memory, but also can be divided into several pieces. 11. Divide by entering the end of the EOM message at the end of each subdivision. 12. Play Segment: If you want to play the second segment, just press the Record button twice; If you want a third, press 3 times, and so on. 13. Command Mode: Press F1 and F2 simultaneously and you will hear C, indicating you are in command mode. 14. End command mode: press F1 and F2 again, or you can press the automatic key to enter D. When you use the automatic key, PIC will make a judgment. The correct command will hear R, while ? is for invalid commands. Package List 1 x Morse Code Keyer