Texas Instruments TI-89 Titanium Short User Manual

126 Connectivity
Error Messages
Most error messages are displayed on the sending unit. Depending on
when the error occurs during the transfer process, you may see an error
message on the receiving unit.
Collecting and Transmitting ID Lists
The VAR-LINK screen … 6:Send ID List menu option allows collection of
electronic ID numbers from individual TI-89 Titanium, TI-89, Voyage™
200, or TI-92 Plus devices.
ID Lists and Group Certificates
The ID list feature provides a convenient way to collect device IDs for
group purchase of commercial applications. After the IDs are collected,
transmit them to Texas Instruments so a group certificate can be issued.
Error Message Description
The sending and receiving units are not
connected properly, or the receiving unit is not
set up to receive.
The certificate on the receiving unit is not
valid for the operating system (OS) or App on
the sending unit. You must obtain and install a
valid certificate.
If the App no longer requires a certificate, you
can download it again from
the Texas
Instruments Web site at education.ti.com and
then install the App again on your calculator.
An error occurred during the transfer. The
current OS in the receiving unit is corrupted.
You must reinstall the product software from a
computer.
Replace the batteries on the unit displaying
this message.

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches