Chapter 2 Getting Started the BHT and System Mode47[ 2 ] DownloadingIf you download a file having the same name as one already used in the user area of the target memoryin the BHT, then the newly downloaded file replaces the old one.If no auto-start executable program has been specified (in Section 2.5.3, [4.1]), turning the BHT onlets the directory manager start the first loaded one out of user programs (.PD4) in the BHT--theprogram that appears on the top of the EXECUTE PROGRAM menu shown on the previous page.Taking this into account, determine the file downloading order. For details, refer to Section 2.7,"Starting Up User Programs."On the SYSTEM MENU, selecting "2: DOWNLOAD calls up thescreen shown at left.[1] FILE: Downloads a user program file or data file tothe user area of the BHT.[2] HT<-->HT COPY: Downloads all of the files, systemparameters, and calendar clock data storedin the connected BHT.This function enables copying between theBHTs.For the preparation to be made preceding thestart of this function, refer to below.Select a desired item by using the numerical keys or F5 and F6 keys,and the selected item becomes highlighted. Then press the ENT key.To return to the SYSTEM MENU, press the C key.Preparation for Copying between the BHTsBefore downloading to the BHT from another BHT, make the following preparation:• At each BHT, set the interface port. The default is an IrDA interface (Optical).Interface setting procedure: Starting on the SYSTEM MENU, select "4:SET SYSTEM,""5:COMMUNICATION," and "3:COM PORT." On the SET COM DEFAULT PORT screen,select the IrDA interface (Optical) or direct-connect interface (Connector) of "2:SYSTEMMODE."• At each BHT, set the FIELD SPACE to "Ignore" on the communications protocol option screen totrim trailing spaces in data fields. The default is "Ignore." For the setting procedure, refer to Section2.5.3, [4.5].• When using the direct-connect interface, pull out the connector cover on each BHT to expose thedirect-connect interface port. Connect the BHTs via those ports with the direct-connect interfacecable (having 3-pole mini stereo plugs). For the details about the cable, refer to Chapter 3, Section3.2.• On the uploading BHT, run System Mode and select "3:UPLOAD" and "3:HT<-->HT COPY."