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29
RAK477 Instruction Manual
2. Timing for 200ms, wait for the module to return “U”(0x55) , if the module did
not return in the specified time, then the timing of 200ms will again send
“+++”, and requests to enter the command mode until the module
successfully return “U”(0x55) .It shows that the module is ready to enter into
the command mode, waiting for final confirmation (waiting for 3 seconds).
3. Timing for 200ms, wait for the module to return “U”(0x55) , if the module did
not return in the specified time, then the timing of 200ms will again send
“+++”, and requests to enter the command mode until the module
successfully return “U”(0x55) .It shows that the module is ready to enter into
the command mode, waiting for final confirmation (waiting for 3 seconds).
Figure 4-2 Enter into command time sequence
(the module receives
“
+++
”；
the module returns 0X55
；
the module receives 0X55
，
confirms and enters into the command mode.)
4.5
Module management instruction
4.5.1
Open ASCII display
Command
at+ascii=<mode>\r\n
Description
Convert all the command returned value with ASCII display, facilitate the users to
