Panasonic HM-TA2 Operating Instructions Manual page 33

≥ The clock is not set when the unit is shipped.
≥ When the unit is turned on for the first time, a message asking you to
set the date and time will appear.
≥ The date and time function is driven by a built-in lithium battery.
≥ If the built-in lithium battery needs to be charged, the message "Set
date and time" appears. To recharge the built-in lithium battery,
connect USB terminal of this unit to a booted PC. Leave the unit as it is
for approx. 24 hours and the battery will maintain the date and time for
approx. 3 months. (The battery is still being recharged even if the unit
is off.)
≥ The date and time will be set to January 1, 2011 00:00 when recording
is performed without the date and time set.
(EB Only)
WARNING
THE LITHIUM BATTERY IN THIS EQUIPMENT MUST ONLY BE
REPLACED BY QUALIFIED PERSONNEL. WHEN NECESSARY,
CONTACT YOUR LOCAL PANASONIC SUPPLIER.
(For Australia and New Zealand)
WARNING
THE LITHIUM BATTERY IN THIS UNIT MUST ONLY BE REPLACED
BY QUALIFIED PERSONNEL. IF THIS IS NECESSARY, CONTACT
THE PANASONIC CUSTOMER CARE CENTRE ON 132600 FOR
YOUR NEAREST AUTHORIZED SERVICE CENTRE.
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