Texas Instruments TI-89 Manual Book page 392

Transferring
Product Software
(Base Code)
Important: For each
receiving unit, remember to
back up information as
necessary and install new
batteries.
Important: Be sure both the
sending and receiving units
are in the VAR-LINK screen.
If the sending or
TI-89
(base code) or a free maintenance upgrade, the receiving
does not need a new certificate. Its current certificate is
TI-92 Plus
valid, and the maintenance upgrade can be transferred.
If the sending or
TI-89
upgrade must be purchased for the receiving unit. A certificate can
then be downloaded and installed on the receiving unit. After the
certificate is installed, the feature upgrade can be transmitted.
You can see which version of product software is in your
. From the Home screen, press ƒ and select
TI-89 / TI-92 Plus
Product software (base code) will transfer only from a
or from a
TI-89 TI-92 Plus
Mathematics 2.x product software (base code) to a
contains a module. For more calculator compatibility
Plus
information, refer to page 380.
To transfer product software (base code) from unit to unit:
1. Link two units as described on page 366.
On the receiving and the sending unit, press 2 ° to
2.
display the
VAR-LINK
On the receiving and the sending unit, press ...
3.
the menu options.
4. On the receiving unit, select
A warning message displays. Press N to halt the process, or
press ¸ to proceed. Pressing ¸, displays
WAITING TO RECEIVE
receiving unit.
5. On the sending unit, select
A warning message displays. Press N to halt the process, or
press ¸ to start the transmission.
has its original product software
TI-92 Plus
has a purchased feature upgrade, the
TI-92 Plus
to a . You cannot send Advanced
TI-92 Plus
screen.
5:Receive Product SW
and in the status line of the
BUSY
4:Send Product SW
Chapter 22: Linking and Upgrading
or
TI-89
.
A:About
to a
TI-89
unless it
TI-92
to display
Link
.
VAR-LINK:
.
375