Справочник Пользователя для RoyalTek ns-4102

9 

Make sure mute is not selected for Volume in system settings. The built-in 

speaker turns off when the headphone jack is being used. 

 

9 

Make sure you are using supported image formats JPG. 

 

 

9  If the previous GPS fix position was more than 500 km or 12 hours apart 

from your current position and time, it will also take significantly longer than 

the standard TTFF time to get a GPS fix. This is due to the nature of the 

GPS algorithm and rotational velocity between the satellites and planet 

Earth, and deemed normal. 

9  Perform a GPS reset in the main/system/system info menu to get a faster 

GPS fix. 

 

 

9  Yes. The Factory Reset function resets the OS settings to their default 

factory values and it will reset the GPS settings. 

 

9  Avoid exposing your device to direct sunlight or strong ultraviolet light for 

extended periods of time. 

9 

Do not drop your device or subject it to severe shock. 

9  Do not subject your device to sudden and severe temperature changes. 

This could cause moisture condensation inside the unit, which could 

damage your device. In the event of moisture condensation, allow the 

device to dry out completely before use. 

9  The screen surface can be easily scratched. Sharp objects may scratch 

the screen. You may use non-adhesive generic screen protectors 

designed specifically for use on portable devices with LCD panels to help 

protect the screen from minor scratches. 

9 

Never clean your device with it powered on. 

9 

Never use organic solvents such as benzene or paint thinner to clean your 

device. Use of these solvents can cause deformation or discoloration. 

9 

Use a soft, clean, lint-free cloth to clean the display screen. Moistened 

9 

LCD screen wipes could also be used as required. 

 

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