Sony HMZ-T3W Reference Guide - Page 15

Charging the Battery When the system is to be used for the first time or the battery is exhausted, recharge the battery. For details on charging, refer to the "Startup Guide." Connect the AC-UD10 AC adaptor (small) and the AC power cord to the battery unit to start charging. The  (power) indicator is lit in orange during charging, and the indicator goes dark when charging is completed (if the system power was off). Tip • Charging is possible even while the system is turned on, but longer charging time is required. We recommend charging with the system turned off when the system is not to be used. Notes • Charging may not be possible or longer charging time may be required depending on ambient temperature or other conditions of use. - Perform charging under temperatures from 5 °C to 35 °C (41 °F to 95 °F). - Charging may not be performed in wireless communication mode. In this case, turn off the system power, or try charging in wired communication mode. • The battery unit and the AC adaptor become warm when the system is in use or while charging. This is not a problem for safety. If the battery unit or the AC adaptor is excessively hot, stop using the system and turn off the system power. Charging time and operating time The charging time and the operating time are as follows at room temperature of 23 °C (74 °F). Charging time Operating time Approx. 5.5 hours (in wired operation) Approx. 4.5 hours (in standby mode) Approx. 3 hours (in wireless operation) Approx. 7 hours (in wired operation) Approx. 3 hours (in MHL operation) Notes • The charging time and operating time may differ, depending on ambient temperature, the battery condition and other conditions of use. • Longer charging time is required or charging is not completed in the following cases: - when the system is used in wireless communication mode - when equipment is connected to the battery unit and operated in MHL connection - under high ambient temperatures • The operating time is shorter when wireless communication conditions are poor. Checking the remaining battery capacity Press the MENU button on the head mounted unit to display the menu then select "Information." The remaining battery capacity appears on the top right of the Information screen (page 28). Remaining battery indicator Fully charged Battery exhausted 15