The Advanced
®
3D3/4D3 Service Manual
54
Note: Since this procedure requires opening
the case, this update should be per-
formed only by an authorized techni-
cian.
1. Turn off the power and unplug the instru-
ment.
2. Remove the instrument cover (see section
2 for instructions on removing the instru-
ment cover).
3. Locate the 3D3620/4D3620 processor
board (smaller of two).
4. Locate SW1 dip switch on the processor
board. Locate switch position 3 (lower
switch) and select the CLOSED, ON, or 1
position. Do not change any other switch
setting.
5. Attach the Advanced Instruments serial
cable between your PC and the instru-
ment.
6. Plug in and turn on the instrument. The
display should read “Flash BOOT
Program”.
7. Perform the download, using the instruc-
tions provided with the update software.
After download is complete, the instru-
ment will reboot and report the new soft-
ware version.
8. Turn off the power and unplug the instru-
ment.
9. Restore SW1 position 3 to the OPEN,
OFF, or 0 position.
10. Replace the instrument cover.
11. Reattach the power cord and return the
instrument to use.
If any problems occur, check the connections
and switch position settings, and then try the
download again. If after download the instru-
ment does not function correctly, consult the
rest of this service manual before contacting
Advanced Instruments for service.
Option Switch Settings
:
Processor board 3D3620/4D3620 is equipped
with a three-position dip switch. Each switch
position and combination of positions can be
used to configure different programming
options, such as the programing option listed
above for instruments without the three-posi-
tion external keyswitch. If your settings
should accidentally get changed, or your
replacement processor board is shipped from
the factory with the incorrect settings for your
product, the following table details the appro-
priate switch positions for restoring your
instrument to proper operation.
SW1
1 23
3D3 ON OFF OFF
MK3 ON ON OFF
4D3 OFF OFF OFF
MK2 OFF ON OFF
Program N/A N/A ON
NOTE:
ON = 1 = CLOSED
OFF = 0 = OPEN
Option Switch Setup Table
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