Boonton 9240 RF Voltmeter - Manual (Page 94)

Boonton 9240 Series RF Power Meter
6.5 Firmware Upgrade Instructions
Requirements
The Firmware Update file is a text file in S-record format. Any utility that can send a text file over
the GPIB interface could be used, however, it is recommended that National Instruments VISA
Interactive Controller (VIC) utility that is available with installation of their VISA (Virtual
Instrument Software Architecture) product be used as this has been tried and tested. Please refer to
the specific vendor’s website for license and download details.
Procedure
1. Save the file "Srecord_9240.hex" to your hard drive in a folder such as "C:\9240\Update"
2. On the 9240 configure the following IEEE parameters as shown;
EMULATION 4230
EOS LSTN LF
3. Start the VISA Interactive Controller utility
4. Double click on the 9240 Resource (in this example ‘GPIB0::13::INSTR’) to open a VISA
Session. Ensure that the ‘Show All VISA Operations’ box is checked. Then click the ‘Basic
I/O’ tab and then the ‘viWriteFromFile’ tab on that form.
5. Set the count to 2000000 then either Browse for or enter the Filename.
6. Click the ‘Execute’ button to send the file to the instrument.
Maintenance
6-2