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Latest information
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The most recent versions of the firmware for this unit / drive are as follows

System firmware:V1.08 (Previously V1.07. Updated at this time)

Drive firmware: T.2P/T.4J/T.6C (Previously T.2P/T.4J/T.6C. Not Updated at this time)


Always use the most recent firmware version for this unit.
For information about the latest firmware, visit the TEAC Global Site (https://teac-global.com/).
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Maintenance items
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System firmware V1.08 (March 22th, 2022)

- If the SRC function was on and recoding of an input signal that was not 44.1kHz was started, "D-IN UNLOCK!" would appear and it would pause. This has been fixed.
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System firmware V1.07

- As result of changes to the audio IC, DAT is not supported with the DD operation mode of the automatic track function by products with serial numbers of 2140001 and higher. 
(Products with serial numbers lower than 2140001 will continue to support DAT even if their firmware is updated.)
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Drive firmware T.2P/T.4J/T.6C

- Operation stability has been improved.

NOTE
- Update the drive firmware to T.2P if the version currently being used is T.2G, T.2J, T.2K or T.2N.
- Update the drive firmware to T.4J if the version currently being used is T.4D, T.4E, T.4F or T.4H. If the version is T.6B, update it to T.6C or higher.
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Drive firmware T.4H

- After recording to a CD-R (RW), entering a disc title and finalizing would cause "NO TEXT" to appear temporarily. This has been fixed.
- The amount of time required to read with some discs became longer. This has been fixed
NOTE
 Update the drive firmware if it is version "T.4D", "T.4E" or "T.4F". Otherwise, there is no need to update it.
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System firmware V1.05

- Starting recording after being in recording standby for a long time would result in a "REC ERROR" and the tray opening. This has been fixed.
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System firmware V1.04

- If sync recording was conducted when the recording start time was set to a negative value by the sync trim function, the beginning of the track would not be recorded properly. This has been fixed.
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System firmware V1.01

- A "REC ERROR" that occurred when incrementing a track during recording at certain times has been fixed.
- Finalization failed with some discs. This has been fixed.
- Unfinalizing sometimes failed with discs created when COPY ID was set to Free. This has been fixed.

NOTE
 After updating the system firmware to "Ver 1.01", update the drive firmware to "Ver T.2N".
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