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Appendix A
77
A
Li-ion battery
NOTE
• The numbers described in the Li-ion battery table may differ depending on the scanning document and on
environmental factors, such as temperature and the charging and discharging method.
• For longer battery life:
- Slide the Wi-Fi
®
switch to OFF when you are not using the Wi-Fi
®
function.
- Turn the scanner off when you are not using it.
Interfaces
1
Your scanner has a Hi-Speed USB 2.0 interface. The scanner can also be connected to a computer that has a USB 1.1 interface.
2
Third party USB ports are not supported.
Network
DS-820W DS-920DW
Charging time 4 hours
Continuous standby time (WLAN OFF) 5 minutes (when the auto power function is active.)
Scannable number of sheets (WLAN ON) 90 sheets 140 sheets
Scannable number of sheets (WLAN OFF) 450 sheets 680 sheets
USB Hi-Speed USB 2.0
12
Use a USB 2.0 cable (Type A / B) that is no more than 4 feet (1.2 meters) long.
SD card SD card memory size limit: between 2GB - 32GB
When you do not use the SD card that came with your scanner, any operation is not guaran-
teed.
Wireless LAN IEEE 802.11b/g/n
DS-820W DS-920DW
Network
(common)
Protocol (IPv4) ARP, DNS Resolver, HTTP, ICMP, DHCP with BOOTP
Network
Security
Wireless SSL/TLS (HTTPS)
Wireless Network Security WEP 64/128 bit, WPA-PSK (AES),
WPA2-PSK (AES)
WEP 64/128 bit, WPA-PSK
(TKIP/AES), WPA2-PSK (AES)
Wireless Certification Wi-Fi Certification Mark License (WPA™/WPA2™, Personal)