Humax DTV-4700 User Manual - Page 33

6. Trouble Shooting 6.1 Trouble Shooting Before contacting your local service, please read the following instructions. If the product does not work normally after completing the following trouble shooting, please contact your local product distributor or service center. 1. No message is displayed on the front panel or product has no power • Check the main power cable and check if it is plugged into a suitable power outlet. • Check if Power Switch is On. 2. No picture • Make sure that the product is in Operation Mode. • Make sure that the AV Cable is firmly connected to the TV. • Make sure that aerial line is correctly connected to the equipment. • Check the brightness level of TV. • Check the channel is on air. 3. Poor picture & sound quality • Install aerial where there is no obstacle ahead. • Make sure to avoid putting mobile phone or mircrowave oven near around the equipment. • Use 75 coaxial cable to connect TV and aerial. 4. No or poor sound • Check the volume level of the TV. • Check the Mute status of the TV and product. • Press the Audio button to change the Sound Track type. 5. Remote control does not operate • To manipulate the equipment with remote control, the remote control's emitting part should directly point towards the receiving part of receiver's remote control. • Check the battery of Remote control. GB33 User's Manual