Unitech MS837 User Manual
Also see for MS837: Quick start guide
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Contents
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47Copyright 2012 unitech Electronics Co., Ltd. All rights reserved. Unitech is a registered trademark of unitech Electronics Co., Ltd.Invert CTS Polarity (RSV2)-12V = Active, +12V = Inactive,OK to send Do not sendStandard CTS Polarity-12V = Inactive, +12V = Active,Do not send OK to sendActivate RTS, Do Not Wait for CTS (RSV3) – Activate RTS fortransmission but do not wait for CTS to send.Activate RTS, Wait for CTS – Wait for CTS after activating RTS.Test CTS Not Present Before RTS (RSV4) – Do not activate RTS ifCTS is already present.Do Not Test for CTS Present Before RTSEnable DTR Support – The scanner will stop scanning when the DataTerminal Ready (DTR) signal goes inactive.Disable DTR SupportEnable RTS Counter Toggle – The scanner will toggle the RTS line ona good decode.Disable RTS Counter ToggleEnable XON/XOFF Handshaking – The scanner will stop transmissionwhenever on XOFF (ASCII 13H) is received. Transmission will resumeafter an XON (ASCII 11H) is received.Disable XON/XOFF Handshaking.Software HandshakingEnable ACK/NAK – After transmitting data, wait for an ACK (06H) or aNAK (15H) response from the host. If ACK is received, complete thecommunications cycle and look for more bar codes. If NAK is received,retransmit the last set of bar code data and wait for ACK/NAK again.Disable ACK/NAKSupport BEL/CAN in ACK/NAK – When BEL (07H) is received, thescanner beeps 3 times and exits the communications loop. If a CAN(18H) is received, then the scanner will exit the communications loop,silently.******* |
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