Some issues about radio test example

Hello, Nordic,

I am trying to use radio test to do FCC, but when I test the example, I found some issues.

When I test it by nRF connect the input may be truncated or pieced together.

see the images

here is my cmd

data_rate nrf_1Mbit
output_power pos4dBm
transmit_pattern pattern_random
start_channel 30
parameters_print

start_tx_modulated_carrier

start_rx

print_rx

cancel

and I did more test, it looks when input this two cmd, it always wrong

"parameters_print"

"start_tx_modulated_carrier"

 it looks when no para after cmd then easy get error.

e.g. When I use " start_tx_modulated_carrier 99999" it works good, but when I only use "start_tx_modulated_carrier" then it will wrong.

and sometimes it parse wrong cmd

Hope you can help me about this issue.

And by the way, since I need FCC for BLE and ESB, I know this radio test also can do the test for BLE, but I also find a example named DTM, can I use it for BLE FCC? 

Best regards,

Lurn

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