A
RF53
User Guide
Ref.
08-07-V6-lmn
p
13
Command mode
The command mode is used to read and update the modem configuration
registers using AT command.
N
OTE
The AT command can be locked using ATPWD command.
In command mode, the radio is inhibited (reception and transmission),
excepted when using test command.
Entering command mode: issues on the serial link a +++ sequence. The
sequence of 3 conse characters is accepted only if no character have
been seen before and after the +++ sequence. Register (S214) defines the
silence duration.
T
IPS
1
if you are using a terminal (such as Hyperterm), you have to send the +++
sequence using a text file (first create a text file containing only the +++
characters, and then use in Hyperterm the command “Send text file” in the
“Transfer menu”)
T
IPS
2
Exiting command mode
(return back in transceiver mode): send the serial
command
ATO <cr>
E
ASY
C
HECK
When receiving a right command, modem will answer:
‘O’<cr> (ASCII character 0x4F) for accepted command (or OK command)
‘E’<cr> for error
TOP
