JETHRO SC118 User Manual page 35

Operating Environment
Obey this special rule under any circumstances. Shut down
the mobile phone if it is forbidden or may result in dangers.
When the mobile phone needs to be connected with other
devices, read the user manual first to understand the
detailed security descriptions. It is forbidden to connect the
mobile phone with an incompatible product.
To ensure the operation success and personal security, you
should use the mobile phone in a normal work position.
Use the mobile phone under the temperature of -10℃ to
50℃ .
Electronic Devices
Most electronic devices shield radio information. Consult the
manufacturer for related information.

Pacemaker: Keep the mobile phone at a distance of at
least 6 inch (15 cm) from the pacemaker. Do not put the
mobile phone in the lapel pocket. Hear the mobile phone
with the ear remote from the pacemaker, to reduce
possible interferences. If the mobile phone causes
interference, shut down the mobile phone immediately.

Hearing aid: Certain digital wireless mobile phones may
affect the hearing aid. If the interference exists, contact
the manufacturer of the hearing aid.

The medical appliances: To use the other personal
medial appliances, consult the manufacturer first to
check whether these appliances shield radio electric
waves. You can also get the information from the doctor.
If there is the sign of forbidding using mobile phones
Jethro SC118 User Manual
35