Adeunis RF ARF33-PRO, Руководство пользователя

Страница: 42 / 109

41 208210A_UG_V1.6_ARFx3-PRO
ATT2 Pure carrier transmission (data=1) on the current
channel. This mode is exited by receiving any charac-
ter on the serial link.
ATT3-ATT6 Modulation on the current channel. This mode is
exited by receiving any character on the serial link.
ATT3: 0.9 kHz modulation
ATT4: 3.6 kHz modulation
ATT5: 14.4 kHz modulation
ATT6: 28.8 kHz modulation
6.3. Description of the registers
Register values can be updated with the ATSn=m<cr> command and displayed with the ATSn?<cr> command.
On power-up, the transmitter-receiver’s previous configuration is restored from the E2PROM (non-volatile) to
the RAM. The registers are located in the RAM registers, all changes are made in the RAM registers: in order to
save the current register configuration, the AT&W<cr> command must be used (otherwise the updated parame -
ters will be lost if the power is cut).
The parameters are divided into 2 types: read only (R) or read/write (R/W).
Type Register Function Description Default value Note
Radio
manage-
ment
R/W S200 Channel
number
Radio channel for the 869 MHz version:
1 and 3: wide band channels
18 to 85: narrow band channels
84 3
R/W S202 Command
mode auto-
matic exit
Automatic exit from command mode 0: (no
specific management), exit from command
mode only when an ATO command is
issued.
From 1 to 60: timeout in seconds.
-> if no activity (no character, no command
received) is detected in command mode
during the programmed timeout, the system
will exit command mode. The module
returns to transmitter-receiver mode.
0
R/W S204 Preamble
length
Preamble length in ms from 4 to 50 20 4
R/W S217 Serial timeout
for radio
Serial timeout before the start of radio trans-
mission, in ms from 3 to 240
3 1
R/W S218 Radio frame
length
Size of the radio frame (from 1 to 240)
When the limit is reached:
• the transmitter-receiver sends a radio
frame
• the RTS signal is enabled only if the
module is operating in addressed mode
128
R S230 RSSI level Displays the reception level for the last mes-
sage received.
Response: S230=-xxx dBm<cr><lf> with xxx
decimal value.
Example S230=-80 dBm
None