Canon Model 6401 B manual FTU to lock up on power on, Commands to Modify Data Logger

Field Test Unit Software

memory locations that the display will skip forward or backwards to when the Up arrow or Down arrow is pressed.

This step size can be saved in a screen format file.

The SPACEBAR will reset the screen to its initial state.

7.6 SCREEN FORMAT FILES

The FTU-PROM has a feature that allows a custom designed screen format file. After designing a screen format using the “E” key the screen can be saved by pressing the “W” (write) key. The FTU will then prompt for a file name. After obtaining the file name the FTU will save the screen format and resume working. 350 Bytes of RAM are required for each screen set up. The screen formats and remaining memory can be viewed by pressing “F”. To load in a new screen format press “R” followed by the filename of the desired screen format.

Warning: Use of a filename containing the letters “FTU” may cause the

FTU to lock up on power on.

7.7 COMMANDS TO MODIFY DATA LOGGER

The FTU-PROM has the ability to display and modify the data loggers memory. The appropriate commands and their functions are:

7.7.1 “P” - Put

This command allows the user to change the values of the loggers RAM memory. Up to eight values can be changed at one command by typing con- secutive values separated by comma’s.

EXAMPLE:

Press “P”

FTU responds “?”

Type O,O,O,O <RET> <RET>

The value 0 will be entered in the RAM from the current address upwards. i.e. If the FTU was at address 128 the value 0 should appear in address 128 - 132.

Section 7. FTUC COMMANDS 35