AT Command SC600T

Hi, I am using evb with SC600T-EM chipset. Which document should I use to find the AT commands?

hi,star2909:
I have sent an email to you, please check!

thanks for the folder you shared with me, but i still can’t find the AT commands document for the SC600T chipset. Could you point me to the correct document?

I’m really sorry that I didn’t check carefully. Indeed, there is no AT document in the folder I gave you, and I didn’t find AT document related to Smart module, please refer to the document below. SC600T also only belongs to LTE module.
Quectel_EC2x&EG9x&EG2x-G&EM05_Series_AT_Commands_Manual_V2.0.pdf (1.7 MB)

thanks a lot.
I have one last question. On the manual it says to activate engineering mode with this command: why does it return error to me? Is there a firmware update to be done?

My firmware is:

image
but in my chipset it says SC600T-EM.
IS IT BY AN ERROR?

Thx