Exfo MaxTester DSL User Manual download pdf (Page 9)

MaxTester DSL 3

If the battery capacity remains low or outside the previously stated values, it should

be replaced. This could occur after 3 years depending on the usage.

Battery Calibration

In order to optimize the battery gas gauge accuracy, a battery calibration procedure

is accessible in the System menu under Power. See the Setting Up the MaxTester

DSL Test Set chapter. Going through this procedure may be necessary when first

using the MaxTester or after time depending on the number of charging cycles the

battery has undergone. It will optimize the gas gauge accuracy and not affect the

MaxTester's battery capacity.

Replacing the Battery

Battery replacement should only be done by a qualified technician with the

appropriate tools on an electronic bench or similar environment.

To replace the battery:

1. Remove all 4 screws of the battery back panel using a 1.5 mm Allen key. Put

aside the screws and the panel keeping the inside foam seal clean. (See the

Back diagram under the Using the MaxTester DSL section in this chapter.)

2. Pull out the old battery using your fingers. Flipping the unit, battery-side down,

will ease removal. Do not use tools in order to prevent damage to the battery

envelope. Pull out the electrical connector. Put aside the old battery.

3. Remove the new battery from its package. Keep the package for future use.

Plug in the electrical connector ensuring the pins are correctly aligned. Place

the new battery in the MaxTester.

4. Inspect the inside rib around the MaxTester battery compartment to make sure

it is free from any debris. Remove any debris using a dry cloth. Replace the

battery back panel. Replace the 4 screws with a moderate torque so the foam

seal is evenly compressed without damaging the screws.

Disposing of the Battery

Place the old battery in the replacement battery packaging. Properly dispose it

according to your local facilities for battery recycling.

WARNING

Only use an EXFO battery. Batteries from other suppliers could result in

serious damage to the MaxTester or personal injuries. See the

Troubleshooting chapter for information on contacting EXFO.

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Exfo MaxTester DSL User Manual Page 9