Denso BHT-300B User Manual page 78

Setting the interface port
On the SET COMMUNICATION menu, select the "3: COM PORT" to
call up the screen shown at left.
Highlighted is the current setting.
[1] BASIC:
[2] SYSTEM MODE:
Select a desired item by using the numerical keys or F5 and F6 keys.
Then select a desired setting by using the F7 and F8 keys.
To return to the SET COMMUNICATION menu, press the C key.
64
Selects the IrDA (Optical) or direct-connect
(Connector) interface port to be used for user
programs written in BHT-BASIC (OPEN
"COM:").
Selects the IrDA (Optical) or direct-connect
(Connector) interface port to be used for
downloading or uploading files in System
Mode.