M4735A Service Manual 2-47
Performance Verification Tests
2
Battery Capacity Test
The Battery Capacity Test is not part of the routine post-servicing
Performance Verification. This test is part of the routine checks that the user
performs. See the Instructions for Use (M4735-91900) for details on the
frequency of the Battery Capacity test. It is included here for reference only.
To perform a Battery Capacity Test:
1. Turn the M4735A off.
2. Label the unit.
Place a prominent label on the unit to indicate to others that the battery
test is in progress and that the unit may not be used.
3. Insert a charged battery.
If an AC power cord is connected, unplug it now.
4. Run the test.
a. While pressing , turn power on to start the test.
b. Allow the test to proceed to completion. The test takes approximately
three hours and is complete when test results print out and the device
turns itself off.
5. Check results.
Review the test results and take the appropriate action, as follows:
NOTE If the message "Unsupported Battery" appears, replace the battery with the
M3516A battery. See Table 3-15 on page 3-30.
Table 2-3 Battery Capacity Test Results
If Then
Elapsed Time >
85 minutes
and
Low Battery Time > 10 minutes
1. The battery passed the test.
2. Record “pass CT” and the date on the
label on the bottom of the battery.
3. Recharge the battery before use.
Elapsed Time < 85 minutes
or
Low Battery Time < 10 minutes
1. The battery failed the test.
2. Record “fail CT” and the date on the
label on the bottom of the battery.
3. Discard the battery appropriately.
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