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AM700 Audio Measurement Set Service Manual
6–91
Firmware Upgrade Procedure
These instructions are used to upgrade the operating firmware stored in
EEPROM through the AM700 disk drive when new upgrades are provided.
Upgrading takes approximately 15 minutes to complete.
The upgrade firmware is provided on three 3 1/2 inch diskettes. These disks are
the AM700 Firmware Reprogrammer disk containing the Flash Burn Program
reprogramming instructions and two AM700 Program Data disks (Disk #1 and
Disk #2) containing the binary programming data that is uploaded to the
EEPROM.
The AM700 boot ROM contains the routines that allow binary code to be
executed from a diskette through the disk drive. These boot ROM routines are
used execute the binary formatted files stored on the upgrade diskettes.
Reprogramming Procedure
1. Set the AM700 on a flat surface, feet side down, to run the upgrade
procedure. This assures that the disk drive is properly positioned to prevent it
from being damaged.
2. Turn the AM700 off to start the procedure steps.
3. Press and hold the Menu button in and turn on the power.
4. After the AM700 beeps twice, release the Menu button. The boot up
procedure continues to initialize in low-level diagnostics mode.
5. When the diagnostics Startup Menu appears, turn the large control knob to
highlight the U... Ć UTILITIES Ć Menu choice.
6. Press the Select button (located next to the large control knob) to display the
Utilities Menu.
7. With the Utilities Menu displayed, use the large control knob to highlight the
F... Reprogram ć FLASH EEPROMS ć selection.
8. Press the Select button, then follow the instruction that appears on the screen
to insert the Flash Burn Program disk (AM700 Firmware Reprogrammer).
The disk must be inserted with the label facing the screen. The AM700
begins reading the disk immediately.
9. After the Firmware Reprogrammer disk is read, the upgrade program begins
running.