User's Manual

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Commands and data
Mode
Transmit command (CMD)
Transmit Data (DATA)
Response (CMD)
Response Data Remark
Channel Change 0x64 0x00 : chn 1
0x01 : chn 2
0xAA (ACK) 0X55 (NACK)
No response if in transmit mode
Request current Channel
0x53 0x66 ACK / NACK 1st byte: Chn no.
2nd byte: option board status
Chn 1 = 01 Chn 2 = 02 A0: No option board A1: GMSK A2: FFSK/AFSK
Activate prog mode / main loop
0x87 0x00 ACK / NACK
No response on earlier models
Cannot receive in this mode, but clears previous serial commands. Use 0x53 to rx mode
Request current channel number, when in prog mode
0x53 0x66 ACK / NACK 1st byte: chn no.
2nd byte: software version 3rd byte: option board status
Chn 1 = 01 Chn 2 = 02 Software version 1.2 = 12 A0: No option board A1: GMSK A2: FFSK/AFSK
*Software version
0x59 0x00 ACK / NACK 1st byte main ver
2nd byte update ver
2 bytes in Hex represent version e.g. 1.10 becomes 01,0A *Firmware version 5.0 or later
Enter TX mode 0x61 0x74 ACK / NACK No response if already TX Enter RX mode 0x61 0.72 ACK / NACK No response if already RX Enter Sleep mode
0x57 0X4f ACK / NACK Firmware 5.0 or later
Exit Sleep mode 0x57 0x58 ACK / NACK Firmware 5.0 or later Check radio awake
0x6a 0x00 ACK / NACK
Scan start 0x62 0x73 ACK / NACK No response if already
scanning
Scan start, but stopped on correct channel
0x62 0X46 0X66 Chn no., CMD+DATA Respond once if stopped on a
channel. e.g.If on channel 1 : 66,00,66 (00=chn1,01-chn2)
Scan Stop 0x62 0x46 ACK / NACK Scan delete 0x62 0x4f ACK / NACK
0X65 (NOK)
NOK : e.g when stopped not on a channel