ComXim MT Series - Page 20

MT series remote control intelligent turntable user guide
Copyright reserved by Shenzhen ComXim Technology Co., Ltd. 2017
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8.2.1.3 Extended command
格式
参数数目
含义
CT+CAMERACTRL(focusOn
Off,captureOnOff);
1
Camera control
Focus On Off:
0: focus stop
1: focus start
Captures On Off:
0: stop taking photos
1: start taking photos
8.2.2 CR Feedback（Equipment -> Terminal）
This feature can be turned on or off by "CT+ACK (on off);" command.
Format
Meaning
CR+OK;
Indicates that the turntable receives commands correctly.
CR+ERR=param;
Param for the error code, see the error code definition.
8.2.3 Event（Equipment -> Terminal）
This feature can be turned on or off by "CT+EVENT (on Off);" command.
Format
Meaning
CR+EVENT=param;
Param is event parameter:
CR+EVENT=TB_PAUSE; turntable pause.
CR+EVENT=TB_END; the action is complete.
8.2.4 Heartbeat mechanism（Eequipment < -> Terminal）
Communication link detection between a device and a terminal. Through the device and the terminal mutual
communication link detection (heartbeat) bytes, to inform the other side of the connection status. This feature
can be turned on or off by "CT+HEARTBEAT (onOff);"
Format
Meaning
“#”or“###”
The equipments send heartbeat byte #" to each other.
Under normal circumstances, equipment sends a "#" byte to the terminal equipment each
second.
If the equipment did not receive a "#" byte for a long time (over 3s), and did not receive CT
command, it will enter the heart lost status and send a string"###" to inform terminal
heartbeat lost, until the equipment received "#" byte then it will exit heartbeat lost status.