Check the listing for details. GMK/Wey Technology Trading Keyboard MK06 PCB Cherry MX? switches. Condition: For parts or not working, Made in Switzerland. Listed at 424.06 USD. You can enter the configuration inside de keyboard with a key combination for the macros binding,keyboard buzzer configuration, backlighting of the LCD, mouse and audio configuration. Another combination will enter the firmware configuration when there is a lot of settings like the keyboard protocol, I/O routing etc... CJE Micro‘s have the world's widest range of Raspberry Pi/RISC OS & Acorn accessories including many from third parties, most of which are famously normally 'In Stock'. Established in 1981, we have always specialised in hobby computing and have gained a reputation for a broad knowledge with high quality pre- and post-sales service. CJE have, over the years, developed many of our own products for Acorn/RISC OS & Raspberry Pi computers. From the first ever 3rd party accessor.