POS cash register customer display failure

POS cash registers are widely used in physical stores in our various industries, and cash register accessories are also playing an important role. The customer display is no exception. The biggest function of the customer display screen is to enable the customer to visually see the amount spent and the amount of change when paying the bill, which not only facilitates the cashier's understanding of the product information and price, but also makes the cash register method and The result is transparent in front of the customer, which brings the distance between the merchant and the consumer closer.

What if the customer display does not show up?

There are many reasons for this, let us judge in the following order:

(1) First connect the power supply separately, do not connect to the serial port to see if the initialization screen appears (display baud rate information). If there is no initialization screen, the power failure is judged.

(2) Check if the power of the host is normal and the power cord is disconnected. If there is an initialization screen, you can plug in the serial port and download the corresponding test program from the website for testing. If the test is not normal, the signal is judged to be faulty.

(3) Check if the serial port of the host is normal and the signal cable is intact. If the test software is normal, the hardware is not faulty, check if the software used supports the customer display and settings are correct.

(4) If you use the Jiawei cloud cash register software, it may be that the software setting problem causes the customer display to not display properly, because the Jiawei cloud cash register software itself supports the customer display function.

How does Jiawei Vision Cloud Cash Register Software set up the customer display function?
First of all, we first log in to the front desk of the cash register software, click on the system settings in the upper left, and then click on the function settings to adjust the function of "Yes," to "Yes", then set to LED, COM1, baud rate 2400.

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