Shenchen Precision Pump LabV6 Manual page 10

Shenchen Peristaltic Pump
Click the Setting button in the main interface, then click Suck-Back button to
enter the back suction angle setting interface. Click angle button, enter
suck-back angle then click ENT. This can set all suck-back angle when motor
stop running, except dispensing is ON.
6. External Setting Interface:
External Setting Interface as below:
External control signal
Pulse
Foot switch setting
Click Setting button in the main interface, then click External control to enter
External Settings interface.
A. External control of the motor start-stop and reserving signal is divided
into two kinds : level mode and pulse mode, Specific interface, see details in
Ext.Start/Stop
Ext.CW/CCW
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LabV Series
OK