Hisense SERO 7 LE User Manual page 32

Never force a connector into a port of Sero 7 LE. If a
connector and a port do not join with reasonable force,
make sure that the connector matches the port and that
you have positioned the connector correctly in relation to
the port.
To clean the screen, simply use a soft damp cloth. Do not
use alcohol, solvent, aerosol spray or abrasive cleaners to
clean your Sero 7 LE.
The product and the adapter should be periodically
examined for conditions that may result in the risk of fire,
electric shock, or injury to persons and that, in an event
such conditions, the adapter should not be used until
properly repaired.
Operate Sero 7 LE in a place where the temperature
is between 0º and 35ºC (32º to 95ºF). Low or high
temperature conditions might temporarily shorten battery
life or cause Sero 7 LE to temporarily stop working properly.
Avoid dramatic changes in temperature or humidity when
using Sero 7 LE, as condensation may form on or within
Sero 7 LE.
Store Sero 7 LE in a place where the temperature is
between -20º and 45ºC (-4º to 113ºF). Don't leave Sero 7 LE
in your car because temperatures in parked cars can exceed
this range.
When you're using Sero 7 LE or charging the battery, it is
normal for Sero 7 LE to get warm. The exterior of Sero 7
LE functions as a cooling surface that transfers heat from
inside the unit to the cooler air outside.
The rechargeable battery in Sero 7 LE should be replaced
only by Hisense Service.
Do not expose a battery pack or installed batteries to
excessive heat such as sunshine, fire or the like.
If you will not use Sero 7 LE frequently, then we recommend
that you fully charge and discharge the battery every three
months in order to maximize the battery lifespan.
If you will not use Sero 7 LE frequently, then we recommend
that you keep the battery level at around 50 percent in
order to maximize the battery life span.
Appendix B 31