68P80400P73-A 8-1
CHAPTER 8
FIELD LEVEL TEST MODES AND PROCEDURES
To perform field level testing on the i860 unit, you must enter a test mode to retrieve data from the
unit, and perform the technician tests in the correct sequence with the appropriate equipment.
NOTE: All tests should be performed in an RF interference-free environment.
Test procedures are listed in the order in which they should be implemented. Each test contains a
description of what it does and the type of equipment required (if any).
NOTE: The unit must be powered up and registered before performing most tests.
8.1 Test Modes
Some tests require that a certain mode be entered to conduct the test and/or retrieve data from the
unit. The following test modes are used with the i860 unit:
• Engineering debug mode (includes trace mode)
• Test mode
NOTE: Do not enter these modes until unit registration has been completed.
8.1.1 Entering Test Mode
Use this procedure to access test mode.
To enter test mode:
1. Power up the unit. Wait until registration is complete before continuing.
NOTE: Steps 2 through 7 must be performed quickly (no more than one second between each
key press).
2. Press #.
3. Press *.
4. Press Menu three times.
5. Press the left Scroll key.
6. Press Menu twice.
7. Press the left Scroll key. You now are in test mode.
To exit test mode, press the option key under Exit. The unit waits for a few seconds, resets, and then
re-registers the unit.
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