Please check whether the set-top box and TV are turned on. Check whether the video and audio connection of the set-top box is correctly connected to the TV. Check the TV/AV of the TV set and whether the selected channel is consistent with the connection channel. If neither is valid, please contact.

The set-top box issued during the "overall conversion" of cable digital TV is the basic real estate supporting facilities of cable digital TV and is limited to use in the residence registered for the "overall conversion" of cable digital TV. If the use of address changes, please go to the local radio and television business hall for the relevant procedures.

When going through the formalities or installing the set-top box, the staff will provide you with a detailed installation manual, customer manual, etc., so that you can be familiar with and use the set-top box. Whether it is the overall conversion configuration of the set-top box, the purchase of the set-top box, all enjoy the following services:

(1) 24-hour customer service hotline to provide online help;

(2) maintenance personnel on-site maintenance during the warranty period.

(1) A registered cable subscriber who can normally receive the Company's analog cable TV programs.

(2) the correct purchase and laying of cable TV cable, new decoration households should be cable TV cable laying to the location of the TV.

(1) Confirm that the equipment has been entered on the platform; Check whether the 4G antenna is tightened. The 4G signal RSRP value is stronger than-104dbm, and SINR is greater than 1;

(2) Pull out the card again. A gasket should be attached to the card tray and then put the Internet of Things card. Press the gold-plated surface, insert the card tray again, and power on for more than 5 seconds. After a minute to see if the indicator light is green light.

(3) If 2 does not work, change to a mobile phone with a SIM card and repeat the above steps. Let's see if it's a problem with the Internet of Things card or the device.

If the indicator light is not on, confirm whether the mains connection is normal. If it is normal, try the following two methods:

1. The FUSE FUSE is re-suspended to see if it is burnt out. If it is not normal, our company will arrange express delivery of a new FUSE. If it is normal, screw it in again to see if the indicator light is on;

2. There is a RESET hole on the equipment. Use a toothpick to poke it to see if the indicator light is on. If it is not on, poke it again;

(1) Confirm whether the equipment is online, refer to the 1.3 for investigation;

(2) The knob on the left side of the microphone panel should be adjusted to the rightmost side;

If the status light on the IP microphone panel is off, it means that the device is not online and cannot be used. Troubleshoot by the following methods:

(1) Confirm that the equipment has been entered on the platform;

(2) Confirm that the network cable is inserted into the data network port of the rear baffle;

(3) Confirm that the router or optical cat connected to the network cable has the function of automatically obtaining DHCP and can access the Internet.