Service manual

Chapter 1
1-11
Memory
backup
Backup contents Dial registration data
User data
Service data
Time, etc.
Backup IC 128kbit SRAM
Backup device Lithium battery DC 3.0V/
600mAh
Battery life life Approx.5 years
Image data backup NO
Image memory Approx.?? MB
Activity
management
User report Activity management report YES(Every 20
communications)
Activity report (Tx/Rx) YES
Directory dial lst YES
One-touch speed dialling list NO
Coded speed dialling list NO
Group dialling list NO
Memory clear list YES
User's data list YES
Document memory list YES
Multi activity report NO
Service
report
System data list YES
System damp list YES
Item MP390