Print Email MTCR Digital Recorder - Firmware Revision History MTCR Digital Recorder 14 December 2020 Hits: 2117MTCR Firmware MTCR Firmware Update v1.01 - 05 April 2021 Fixed bug which prevented remote control tones from working while unit was recording. MTCR Firmware Update v1.00 - 10 March 2020 First production release. Facebook Twitter Prev