Huawei ERS-B19 Quick Start Manual page 6

Privacy Policy
To better understand how we protect your personal information, please see the
privacy policy at http://consumer.huawei.com/privacy-policy, or read the privacy
policy and service terms using the app after pairing it with your phone.
Blasting Caps and Areas
Turn off your mobile phone or wireless device when in a blasting area or in areas
posted turn off "two-way radios" or "electronic devices" to avoid interfering with
blasting operations.
Operation and safety
• Using an unapproved or incompatible power adapter, charger or battery may
cause fire, explosion or other hazards.
• Ideal temperatures are -10°C to +45°C.
• Some wireless devices may affect the performance of hearing aids or
pacemakers. Consult your service provider for more information.
• Pacemaker manufacturers recommend that a minimum distance of 15 cm be
maintained between a device and a pacemaker to prevent potential interference
with the pacemaker. If using a pacemaker, hold the device on the side opposite
4