This very first indication is common to both [C] and [N]. The RFPGM indication depends on the RFPGM settings in the device configuration. If RFPGM is enabled, it starts after the device is reset i.e. before [C] or [N] default DPA startup.
A. RFPGM is not enabled.
No LED indication.
B. RFPGM at STD mode.
The green LED is on and the red LED flashes slowly.
▼ reset 2s 2s
██████████████████████████████████ …
█________________█______________█_ …
C. RFPGM at LP mode.
The green LED flashes quickly.
▼ reset 4 times per second
█_█_█_█_█_█_█_█_█_█_█_█_█_█_█_█_█_ …
__________________________________ …
RFPGM is indicated until it is terminated and then the default DPA startup indication starts. It varies for [C] and [N].