Texas Instruments TITANIUM TI-89 - Manual (Page 734)

Connectivity 734
4. On the receiving unit, select 5:Receive OS .
A warning message displays. Press N to halt the process, or press ¸ to
proceed. Pressing ¸, displays
VAR-LINK: WAITING TO RECEIVE and BUSY in the
status line of the receiving unit.
5. On the sending unit, select 4:Send OS .
A warning message displays. Press N to halt the process, or press ¸ to start
the transmission.
Important:
• For each receiving unit, remember to back up information as necessary and install
new batteries.
• Be sure both the sending and receiving units are in the VAR-LINK screen.
During the transfer, the receiving unit shows how the transfer is progressing. When the
transfer is complete:
• The sending unit returns to the VAR-LINK screen.
• The receiving unit returns to either the Apps desktop or the Home screen. You may
need to use
8 | (lighten) or 8 « (darken) to adjust the contrast.
Do Not Attempt to Cancel an Operating System Transfer Do Not Attempt to Cancel an Operating System Transfer Do Not Attempt to Cancel an Operating System Transfer Do Not Attempt to Cancel an Operating System Transfer
After the transfer starts, the receiving unit’s existing OS is effectively deleted. If you
interrupt the transfer before it is complete, the receiving unit will not operate properly.
You will then need to reinstall the OS upgrade.