Manual OEM M3099EX/EH
t1: Less than 500 ms
t2: More than 1 word length
Sequence 1: The host computer sends the RETURN SENSE command to the scanner. X'02', '42'
Sequence 2: ACK for the RETURN SENSE command is sent to the host computer. X'FF'
Sequence 3: Response for the RETURN SENSE command is sent to the host computer. X'04', '4E', 'E0', '01'
Sequence 4: ACK for the response (issued at Sequence 3) is sent to the scanner. X'FF'
Figure 3.15 RETURN SENSE command sequence