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B-5
OPERATING OVERLAYS
OVERVIEW
The Power Wave is controlled by a panel of keys (key-
pad) located on the front of the machine. The opera-
tor can access controls by placing an overlay over the
keys.
An OVERLAY is a special plastic sheet with a number
of keys and symbols printed on one side and a bar
code printed on the other. See Figure B.2. The print-
ed keys allow the operator to communicate with the
machine for a specific set of functions. The bar code
allows the machine to identify the overlay.
FIGURE B.2 – TYPICAL POWER WAVE OVERLAY
C COPYRIGHT 1994
THE LINCOLN ELECTRIC COMPANY CLEVELAND, OHIO USA
L9361-2 WELD FROM MEMORY
INVERTEC POWER WAVE 350
R
WARNING
MEMORY RECALL
1
2
M
M
1
M
3
M
4
3
5
6
M
M
5
M
7
M
8
7
Before the Power Wave is turned ON, the operator
selects the desired overlay and mounts it in the over-
lay frame on the front of the machine. Then, when the
machine is turned ON, it reads the overlay bar code
and configures the machine accordingly, allowing the
operator to access only certain keys. The machine
must be powered up each time an overlay is
changed.
OPERATION
™
TM
HIGH TEMP.
PROGRAM LIST
2
4
6
DISPLAY
RECALL
8
POWER WAVE 450
INSTALLING AN OVERLAY
1. Open the ACCESS DOOR by grasping the provid-
ed indent on the door and pulling the door for-
ward. See Figure B.3 for door location.
FIGURE B.3 – OVERLAY ACCESS DOOR
5
3
2
1 OVERLAY ACCESS DOOR
2 OVERLAY FRAME
3 ACCESS DOOR INDENT
4 TRACKS
5 LOCATING PINS
2. Select the desired overlay from the storage com-
partment located behind the access door.
3. Remove any overlay already in the overlay frame
and place it in the storage compartment.
4. Slide the new overlay into the overlay frame. Align
the overlay with the two tracks on the sides of the
frame. Be sure the overlay is seated in the bottom
lip of the frame and on the top two locating pins.
Close the access door securely.
B-5
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4
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