Running the newly created user application program on the BHT requires first downloading it to the BHT with a transfer utility.

The description of downloads proceeds in the following order.

• Setting up hardware environment
• Setting up BHT
• Setting up PC
• Transfer utilities available
• Communications protocols available

For further details, refer to the product User's Manuals and the Transfer Utility Guides.

Setting up hardware environment

Connect the BHT to the development host with the dedicated interface cable. Alternatively, connect the CU with an appropriate RS-232C cable.

Setting up BHT

Configuring download environment

1. Holding down the SF and 1 keys and turning on the power displays the system menu.
2. Choose "SET SYSTEM" to display the system environment menu.
   Note that the menu and item numbers depend on the BHT model.
   
3. Choose "COMMUNICATION" to display the communications environment menu.
   Note that the menu and item numbers depend on the BHT model.
   
4. Specify the communications port to use, the transmission speed, protocol, and other parameters.
   Note that the menu and item numbers depend on the BHT model.
   
   
   

   Menu Item			Description
   OPTICAL	PARAMETER	TRANSMIT SPEED	Transmission speed	Using the CU requires setting these to match the environment used and the transfer utility settings.
   	PROTOCOL	SERIAL No.	Serial number
   		H.PARITY	Horizontal parity
   		LINKUP TIME	Linkup time
   		FIELD SPACE	Treatment (trim/retain) of trailing spaces during data file downloads
   CONNECTOR	PARAMETER	TRANSMIT SPEED	Transmission speed	Using a direct-connect interface cable requires setting these to match the environment used and the transfer utility settings.
   		PARITY BIT	Parity
   		DATA BIT	Data bits
   		STOP BIT	Stop bits
   	PROTOCOL	SERIAL No.	Serial number
   		H.PARITY	Horizontal parity
   		LINKUP TIME	Linkup time
   		FIELD SPACE	Treatment (trim/retain) of trailing spaces during data file downloads
   COM PORT	BASIC		Communications port for downloading in user application programs	Optical for CU; Connector for direct-connect interface
   	SYSTEM MODE		Communications port for downloading from system menu	Optical for CU; Connector for direct-connect interface
   PROTOCOL TYPE			Communications protocol	Use the same setting as the transfer utility.

Downloading

1. Holding down the SF and 1 keys and turning on the power displays the system menu.
2. Choose "DOWNLOAD" to display the Download menu.
3. Choose "FILE."
   
   The following display indicates that the BHT is ready to receive downloads.
   
   The following display indicates a successful download.
   

Setting Up PC

Configuring download environment

1. Start the transfer utility.
2. Choose the Options|Select protocol menu command to display the Select Protocol screen.
   Note that the Ir-Transfer Utility and the Transfer Utility do not offer this menu command.
   
3. Select the communications protocol appropriate for the BHT model used. (See the table below.)
   

   BHT series	Protocols available
   BHT-7000 series BHT-7500 series BHT-8000 series BHT-100 series	BHT-Ir protocol
   BHT-300 series	Ymodem protocol(Batch) (Preferred choice), BHT-Ir protocol

   
   
4. Choose the Options|Options menu command to display the corresponding Communications Options dialog.
5. Specify the communications port, transmission speed, and other parameters to match the intended usage environment.
   Communications Options screen for Ymodem protocol (Batch)
   
   Communications Options screen for BHT-Ir protocol
   

Downloading

1. Choose the File|Send menu command to display the Send File dialog box.
   
2. Select a user application program and press the Open button.
   
   
   The following display tracks download progress.
   
   
   The following display indicates a successful download.
   

Transfer Utilities Available

The following transfer utilities are available: the BHT-BASIC 4.0 Transfer Utility, Ir-Transfer Utility C (It3cw32.exe), and Transfer Utility (Tu3w32.exe). They differ in the communications protocols offered. (See the table below.)

Communications protocols Available

The following communications protocols are available. (See the table below.)

The FTP protocol is also available for downloading via a CU supporting Ethernet or to BHT models supporting wireless LAN.