Hangzhou Minghong Electronic Technology Co., Ltd.
18 | www.deepelec.com | NanoVNA-F Handheld Vector Network Analyzer Incomplete Manual v1.0
(3) Power the device off and on, and the boot-loader will run automatically, and update your NanoVNA-F.
Re-power for normal operation.
8. How to add call sign display ?
(1) Connect your NanoVNA-F to a PC's USB port using Type-C USB socket on the device. Press the selector
switch and keep it down, while powering up the device. The LCD displays the following prompt, indicating
that the boot-loader is active.