9
Notes on Usage
Notes on Usage
Using the Product
Before you start using the product, be sure to read
“Safety Precautions” in this manual to ensure correct
use.
• Before you assume that the product is
malfunctioning, perform “クイック診断 (Quick Check)”
or “トラブル診断 (Trouble Check)” in the “故障紛失サ
ポート (Repair and Delivery Support)” (
u
P.112)
app.
You can also check these from the au homepage.
https://www.au.com/trouble-check/ (Japanese)
• Communication is not possible even inside the
service area in places where the signal does
not reach (e.g. tunnels and basements). Also,
communication is sometimes not possible in poor
reception areas. Communication is sometimes
interrupted if you move into poor reception areas
during communications.