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Appendix B
If a small part is coming out of the Sero 7, do not try to remove it. Keep it away from small children.
Never force a connector into a port of Sero 7. 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.
The product and the adapter should be periodically examined for conditions that may result in the
risk of re, 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 in a place where the temperature is between 0º and 35º C (32º to 95º F). Low - or
high - temperature conditions might temporarily shorten battery life or cause Sero 7 to temporarily
stop working properly. Avoid dramatic changes in temperature or humidity when using Sero 7, as
condensation may form on or within Sero 7.
Store Sero 7 in a place where the temperature is between -20º and 45º C (-4º to 113º F). Don’t leave
Sero 7 in your car, because temperatures in parked cars can exceed this range.
When you’re using Sero 7 or charging the battery, it is normal for Sero 7 to get warm. The exterior
of Sero 7 functions as a cooling surface that transfers heat from inside the unit to the cooler air
outside.
The rechargeable battery in Sero 7 should be replaced only by Hisense Service.
A warning that batteries (battery pack or batteries installed) shall not be exposed to excessive heat
such as sunshine, re or the like.
In order to maximize lifespan of the battery, fully charging and discharging the battery every three
months is recommended if Sero 7 is not used frequently.
In order to maximize lifespan of the battery, keep the battery level at around 50% is recommended
if Sero 7 is not used frequently.
If Sero 7 has not been used for a long period of time, the battery might be in over-discharge
protection mode and may take longer to charge the battery.
This device is restricted to indoor use when operating in the 2.4 to 2.483 GHz frequency band.
Never remove or insert microSD card while the Sero 7 is powered on.
The manufacturer is not responsible for any radio or TV interference caused by unauthorized
modications to this equipment. Such modications could void the user’s authority to operate the
equipment.
Sero 7 North America edition is limited using channel 1-11. This limited operation can be only set by
software and was done before the product down from the product line. All the products for North
America marketing were embedded this limited before shipping. Customers have no way to choose
the channel 12 & 13.
Certification and Compliance
Exposure to Radio Frequency Energy
Sero 7 contains radio transmitters and receivers. When on, Sero 7 sends and receives radio frequency
(RF) energy through its antenna. The WLAN antenna is located at rear of the tablet, see Overview on
page 3 for more details. Sero 7 has been tested and meets the SAR exposure requirements for WLAN
operation.
Sero 7 is designed and manufactured to comply with the limits for exposure to RF energy set by the
Federal Communications Commission (FCC) of the United State. The exposure standard employs a
unit of measurement known as the specic absorption rate, or SAR. The SAR limit applicable to Sero 7