Leica Digisystem i780231 Manuel De L'utilisateur page 88

Checking the
performance

Checking depth indica-
tion (550i & 650i)
Digisystem, Functional Checks
3. Battery / Functional self check
If there is no response when the trigger is activated or the low battery illuminates (or
flashes) after the Audio / Visual display test, the batteries will have to be replaced. Use alka-
line batteries. Replace all of the batteries at the same time.
The purpose of the following procedure is to verify the performance of the Locator. It is
important that the test is conducted away from areas of electromagnetic interference or
over buried services with a large signal radiating off them.
1. Switch the Locator on.
2. Whilst in Power mode hold down the i Button, until the settings are displayed.
3. Using the Function Button toggle through the settings until EST is displayed.
4. Press the i Button to activate the test.
5. Observe the displayed output:
PAS means unit is within set tolerances.
ERR means unit is outside set tolerances and may need servicing.
• Repeat the test in a different location if the units displays ERR.
• The Locator will automatically repeat the function test if it fails.
• Repeated failure will indicate a faulty unit, which must be returned for service.
This test can be carried out provided the depth of a service on the test area is known.
1. Switch the Locator on and ensure that it is in 33 kHz mode.
2. Position the Locator directly over and at right angle to the service.
3. Press and release the i Button to activate the depth measurement.
4. Record the depth.
5. If the depth reading deviates from the normal value or an error code is displayed, the
Locator should be returned for service.
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