User`s guide
Chapter 7 - Debug CARROLL TOUCH
7-4 Touch System Diagnostics (CTDIAG) User’s Guide
The Debug screen reappears once you have made any necessary 
changes. For information on these parameters, see Chapter 4.
View Trace Buffer
 (F4 key) displays the Trace Buffer screen, which 
contains a copy of the communications trace buffer. See the next 
section for more information.
Clear Trace Buffer
 (F5 key) erases the communications trace buffer.
Clear TxRx Windows
 (F6 key) erases the transmit and receive windows.
Reset Touch System
 (F7 key) sends a 400 ms break or the appropriate 
reset command, depending on the type of controller. A reset is a subset 
of a full initialization. For more information, refer to the 
Touch System 
Programmer’s Guide
.
Initialize Touch System
 (F8 key) sets off a sequence of activities, 
including a reset, power on testing, and error checking. For more 
information, refer to the 
Touch System Programmer’s Guide
.
TAPI Debugger
 (F10 key) is described in detail in Chapter 8. 
Inhibit/Enable TAPI Debug Get Report (TAPI-POLLING)
 (ALT + F10 
keys) is a toggle. In the TAPI polling interface method, reports in the 
application buffer are ordinarily cleared. You can override this to view 
the reports. Refer to Chapter 8 for details on TAPI debug.
Retain/Do not retain TAPI Buffer in UEH (AX = 0)
 (CTRL + F10 keys) 
is a toggle. Reports are ordinarily transferred from the TAPI buffer to 
the application buffer. If desired, you can retain the TAPI buffer in the 
TAPI User Event Handler (UEH). Refer to Chapter 8 for details on 
TAPI debug.
Toggle Rx Display Format (ASCII/HEX)
 (ALT + F2 keys) switches the 
display format between ASCII and hexadecimal in the receive window.
Toggle Rx Formatted/Unformatted Mode
 (CTRL + F2 keys) switches 
between 
Formatted Mode
 and 
Unformatted Mode
 in the receive 
window. Modes are described in the SFP section later in this chapter.
Trace Buffer
The trace buffer maintains a record of all communication between 
CTDIAG and the touch system. 










