Panasonic KX-TS208W Operating Instructions Manual page 38

i)» Troubleshooting
Problem Remedy
Previously programmed
elf the batteries installed in the unit
information is erased.
expire, programmed information may
be erased. After the batteries are
replaced, reprogram if necessary.
consumerproducts @ panasonic.com
for customers in the USA or Puerto Rico
ONLY
38