Appendix D - Firmware Update Procedure - Interacoustics AT235 Service Manual

Service Manual
AT235
9 Appendix D – Firmware Update Procedure
New firmware will be made available on the Interacoustics website. After downloading the zip file follow the
below instruction:
1. Unzip the firmware archive on a new FAT32 formatted USB stick
2. Insert the USB in the unpowered instrument
3. Turn on the instrument and wait for Tone test
4. Enter Common Setting to 1.5 and below OR Instrument setting for 1.6 or higher using the Setup
Button
5. Press the function key named Install, and follow the instructions on the instrument display
6. Wait for the instrument to return to Tone test
AT235 Stand Alone Unit - Print Logo Update
AT235 direct printout allows results to be printed directly after testing (via a supported USB printer – please
contact Interacoustics customer service for a list of supported PC printers if in doubt). The printout logo can be
configured via the audiometer itself (see below) or downloaded via the Diagnostic Suite (in the General Setup).
1. Open the program Paint which can be found in the accessories folder.
2. Open Image Properties using the shortcut Ctrl + E.
3. Set Width to 945 and Height to 190 as shown. Click OK.
4. Edit the image and the company data to fit inside the set area.
Save the created file as PrintLogo.bmp.
5.
6. Zip the PrintLogo.bmp file to the following name format Update_user.logo.bin.
The update_user.logo.bin file is now ready to be used
7.
Insert a USB thumb drive with at least 32MB in total size
8. Go to My Computer and right click on the USB thumb drive and select Format
CAUTION
Restarting the instrument after installing the firmware may be necessary.
CAUTION
Do not shut down the instrument or remove the USB stick while updating.
This action will erase everything on your USB
thumb drive!
XVI