The third and final non-volatile memory is the on-board real-time clock (RTC) with battery
backup. The real-time clock records the date and time as set by the user. The real-time clock
does not record any user-specific or acquisition-specific information.
The following table lists the reset/clear information stored internally by the TD2u.
Non-
Volatile
Memory
Information
Stored
User or Case-Spe-
cific Info
Ability to Reset/Clear
Flash #1
TD2u firmware
None
Firmware cannot be erased, but can
be updated using the Tableau Firm-
ware Update program, which can be
downloaded fromwww.guid-
ancesoftware.com/tableau.
TD2u serial
number
None
It is not possible to change the TD2u
serial number in the field.
CHAPTER 3 Using the TD2u 57