Canon FAX-L1000 - Manual (Page 161)

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FAX-L1000 Chapter 3: Technical Reference
Memory backup
Backup contents Dial registration data, user data, service data, time
Backup IC 512 kbit SRAM (256 kbit SRAM
×
2)
Backup battery Lithium battery 3.0 V DC / 560 mAh
Battery life Approx. 5 years
Image data backup
Backup contents Memory reception, memory copy, delayed transmission
and broadcast transmission image data, activity
management report
Backup IC 4Mbyte DRAM
4Mbyte DRAM (optional memory)
Backup battery Rechargeable vanadium lithium battery 3.0V DC/ 50 mAh
Battery life 40 cycles with 100% discharge
(Temperature 77°F(25°C))
Time
Management data year/month/day/hour/minute (24 hour display)
precision ±30 sec per month