20
Table 2.3 Operating hours by model
Model
IEEE802.11b and
Bluetooth
integrated
Operating hour
Operating condition and mode
IT-10M20 No
IT-10M20BR Yes
Approx. 27 hours
- The surrounding temperature is at room temperature.
- The battery pack (HA-C21BAT) is a brand new and
fully charged.
- The backlight is turned off.
- The IrDA setting is set to off.
- The CPU speed setting is set to “Auto Mode”.
- The operating periodic ratio of calculation and idle
with the display being turned on is 1:10.
IT-10M20BR Yes Approx. 14 hours
- The surrounding temperature is at room temperature.
- The battery pack (HA-C21BAT) is a brand new and
fully charged.
- The backlight is turned off.
- The IrDA setting is set to off.
- The CPU speed setting is set to “Auto Mode”.
- The operating periodic ratio of idle with the display
being turned on, RF and calculation is 10:1:1.
Notes:
• The durations of time in “Operating hour” for IT-10M20BR has been measured in the wireless LAN
configuration with Cisco Aironet 1100 Access-Point. The time duration may become different if other
Access-Point is employed.
• In the low temperature, the operating hour powered by battery tends to be shorter.
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