Send state : Entering this state, the PC can be sent to 1 -9 9 figures. and digital display shows the number sent by sending an S1, S2 sent by 2, followed by S9 sent to nine.

• 发送状态： 进入发送状态后，可向PC发送1-9 9个数字，并且数码显示同时显示发送的数，按S1发送1，按S2发送2，依次到按S9发送9。