Model 256/PC Instruction Manual
Page 37
WIRE IDENTIFICATION (SEARCH)
The Model 256/PC may be used as an assembly or troubleshooting aid, using the SEARCH
mode and the wrist strap or probe. To select and use the SEARCH mode, proceed as follows:
1. Insert wrist strap or probe lead into PROBE jack on rear panel.
2. Fasten strap around one wrist, or grasp probe.
3. Connect harness or assembly fixture.
4. Press Up or Down arrow to step through the menu until SEARCH is displayed.
5. Press MENU RUN to initiate SEARCH mode.
6. Touch wire end with hand or probe, and the display will show the pin number(s) of that
wire.
7. Touch another wire, and its corresponding pin number(s) will be displayed.
NOTE
If more than one wire is touched at a time, or if the wire touched
is connected to others then the display will scroll through the
numbers in succession.
CLEARING WORKING MEMORY (CLEAR MEMORY)
This mode is required for clearing the working memory of User Labels before running a LEARN
KNOWN GOOD. If User Labels were previously loaded into the working memory along with
another program, the labels will be attached to the test points for the new program generated
with the learn mode. CLEAR MEMORY must first be enabled by the ENABLE jack on the rear
panel. To initiate and use CLEAR MEMORY, proceed as follows:
1. Engage ENABLE jack on the rear panel.
2. Press Up or Down arrow to step through the menu until CLEAR MEMORY is displayed.
3. Press MENU RUN key to initiate CLEAR MEMORY. The display will ask:
CLEAR MEMORY?
4. If you selected CLEAR MEMORY in error, or otherwise decided not to use it, press
RESET to exit the mode. If you want to clear the working memory, press MENU RUN
key a second time, and the memory will be cleared. The display will now show:
Memory Cleared
Summary of Contents for 256/PC
Page 1: ...MODEL 256 PC CONTINUITY TESTER ...
Page 2: ......
Page 61: ...Model 256 PC Instruction Manual Page 53 Figure 20 Schematic CPU Board 1 of 3 ...
Page 62: ...Page 54 Model 256 PC Instruction Manual Figure 20 Schematic CPU Board 2 of 3 ...
Page 63: ...Model 256 PC Instruction Manual Page 55 Figure 20 Schematic CPU Board 3 of 3 ...
Page 64: ...Page 56 Model 256 PC Instruction Manual Figure 21 Schematic Scanner Board 1 of 3 ...
Page 65: ...Model 256 PC Instruction Manual Page 57 Figure 21 Schematic Scanner Board 2 of 3 ...
Page 66: ...Page 58 Model 256 PC Instruction Manual Figure 21 Schematic Scanner Board 3 of 3 ...
Page 67: ...NOTES ...
Page 68: ...Cablescan 5900379 REV G ...