Operation steps of key press for wire torsion testing machine

Key operation
The operation buttons are set, speed change, zero reset, forward rotation, and reverse rotation. In the test interface and running state, press any key to stop the machine. Other details are as follows:
(1) Setting: In the test interface, in the stop state, press this key to enter the revolution setting interface, which is the test mode setting (refer to chart 5.4); in the revolution setting interface, press this key to return to the test interface.
(2) Variable speed: In the test interface, in the stop state, press this key to increase the speed step by step, and then cycle; in the revolution setting interface, press this key to move one bit to the left.
(3) Clear: On the test interface, in the stop state, press the key to record the forward and reverse rotation speed will be cleared; on the rotation speed setting interface, press the key to move up or increase the value.
(4) Forward rotation: In the test interface, in the stop state, pressing this key will run according to the set mode; on the rotation speed setting interface, pressing this key moves down or the value decreases.
(5) Reverse: In the test interface, in the stop state, press this key to run according to the set mode; in the revolution setting interface, press this key to modify or confirm