User`s manual

18
MCR Parameter Modification
This option is for users who need to customize the MCR parameters for a particular task. Some of
the useful parameters include:
The selection of country code, other than the default English.
The choice of track combinations.
The preamble/postamble codes.
The MCR parameters can be modified using the MCR Mod Kit, which can be ordered as an option.
This kit consists of a cable assembly of one female DB-9 D-Sub connector, one male PS/2
keyboard connector, one female PS/2 keyboard connector and an inline 8-pin JST connector, CN1,
on a printed circuit board attached to the assembly. A floppy disk with the modification software
is also provided.
Preparing the hardware
The modification can be performed either on this system or on a PC. If a PC is used, please skip
Step 2.
1. Disconnect the MCR Cable from the MCR Connector of Crossbow.
2. Attach the Loopback Plug to the MCR Connector which should come with the system.
Without this step, the keyboard will not work.
3. Connect the MCR Cable to CN1 on the Cable Assembly.
4. Plug the Male PS/2 Keyboard Connector to the keyboard port on the system.
5. Plug a PC keyboard to the Female PS/2 Keyboard Connector.
6. Plug the DB-9 D-Sub Connector to either COM1 or COM2 on the system.
Performing the parameter modifications
1. Run the system under DOS.
2. Execute MAG.EXE on the floppy disk.
3. Press F6 to select the COM port used.
4. Modify the parameters through menu selection.
5. Press F2 to the load the modification into the MCR.
6. Turn off the system and restore the MCR cabling connections.
Special note on French keyboards
Please select General Parameters and make sure ALT Mode is enabled.