User's Guide

7.3 The data line (mnt directory) upgrade
The receiver is turned on, the receiver is connected to the computer using the Type-Ccable, and the upgrade
file(e.g.update_cm3_v2.1.7.2_b20210706 .bin) iscopied to the receiver mntdirectory and the receiver is
restarted. After both lights are on and flashing at the same time, press the power key to enter the upgrade and
cancel the upgrade twice in a row.