
VW801, VW802, VW803, VW804 Serial-WiFi Modem User Manual
Vitalwell Electronics (Zhuhai) Pte. Ltd. www.vital-well.com
email:
17
Notes:
1.
“
+++
”
and
“
a
”
should be input in a certain period of time to make the module switch to configuration
mode (and should not in a continuous stream). Like the following sequence.
2. When user input
“
+++
”
(No
“
Enter
”
key required), the UART port will display feedback
information
“
a
”
, and not display input information
”
+++
”
as above UART display.
3. Any other input or wrong step to UART port will cause the module still works as original mode
(Transparent transmission).
4.2. AT+Instruction Set Overview
User can input AT+Instruction through hyper terminal or other serial debug terminal, also can program
the AT+Instruction to script. User can also input
“
AT+H
”
to list all AT+Instruction and description to start.
Figure 18.
”
AT+H
”
Instruction for Help