28
UG_ARF73 V1.7
ATR
Restore the register default values. Note that S235
and S238 are not restored by ATR.
6.2.1 Register description
Type
Register
Function
Description
Default Value Note
Radio management
R/W
S200
Channel table
Set channel table
-
R/W
S201
Channel number Select radio channel from
the table:
From 0 up to 15
8
R
S204
Preamble dura-
tion
Preamble duration unit in
ms.
25
R/W
S217
Serial Time out
for radio
Serial timeout before star-
ting radio transmission, unit
ms. From 4 up to 240
4
R/W
S218
Radio frame
length
Size of the radio frame (from
1 up to 240).
When this size is reached:
the transceiver sends a
radio frame
3
R
S230
RSSI level
Display the reception level
of the latest received mes-
sage. Response S230=-
xxxdBm<cr><lf> (with xxx
decimal value)
none
R/W
S231
RF out level
Adjust the RF output level
0-> 500mW (27dBm)
1-> 1W (30dBm)
2-> 2W (33dBm)
3 -> 4W (36dBm)
3
R
S238
Receiver Fre-
quency BW
Indicates the bandwidth
adjustment of the helicoidal
receiverfilters.
Format is 438.5000
Depending
on customer
demand
R/W
S220
Over the air
format
0 -> addressed mode
1 -> transparent mode
2 -> repeater mode
0
R/W
S252
Reception
address
From 0 up to 255
Used in addressed and
repeater protocol only, for
filteringincomingframe
0
R/W
S256
Transmission
address
From 0 up to 255
Used in addressed protocol
only, added to out coming
frame
0
R
S254
RF link speed
1 -> 4800 bps
2 -> 9600 bps
2
R/W
S255
Squelch
0 -> max product sensitivity
1 -> about -107dBm
2 -> about -100dBm
3 -> about -70dBm
0
Summary of Contents for ARF 73
Page 5: ...5 UG_ARF73 V1 7 FRANCAIS ...
Page 18: ...18 UG_ARF73 V1 7 ENGLISH ...
Page 31: ...31 UG_ARF73 V1 7 DEUTSCH ...
Page 44: ...44 UG_ARF73 V1 7 ITALIANO ...
Page 57: ...57 UG_ARF73 V1 7 ESPAŃOL ...