Software Upgrade
52
309738L
Software Upgrade
There are two ways to upgrade the software in the Preci-
sionFlo LT system.
•
Use the Graco Shell Serial menu System (see
municating with PrecisionFlo LT
•
Replace the flash memory in the two circuit boards.
The software upgrade kit (253614 Standard) can also be
used to upgrade software. This kit contains flash mem-
ory chips for the display board (see F
IG
. 21) and control
board (see F
. 22). The kit also includes a chip pulling
tool.
To replace a flash memory chip on either the display
board or the control board, perform the following steps.
1.
Attach the grounding strap included with the kit to
your wrist and ground appropriately.
2.
Turn off the power to the LT system.
3.
Press the two feet of the chip extraction tool into the
open holes in the corners of the flash chip socket on
the circuit board. See
F
IG
. 21 or
4.
Position the chip extraction tool so that the feet of
the tool are underneath the flash chip. Squeeze the
tool to grip the chip.
5.
Continue squeezing the tool while pulling the chip
out of the socket.
6.
Orient the new flash chip such that the beveled cor-
ner on the chip aligns with the beveled corner of the
socket.
7.
Press the new chip into the open socket. Make sure
that the pins are not bent or touching.
8.
Repeat this procedure for both circuit boards.
9.
Turn the power on the LT back on.
Display Board
F
IG
. 21
253612 Standard
flash memory chip
Beveled
Edge
Содержание 234129
Страница 3: ...List of Models 309738L 3...
Страница 26: ...PrecisionFlo LT Module Operation 26 309738L...
Страница 53: ...Software Upgrade 309738L 53 Control Board FIG 22 253613 flash memory chip Beveled edge...
Страница 107: ...Appendix D 309738L 107...