Welch Allyn AudioScope, Руководство по обслуживанию

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2.5 Calibration Procedure: Single Level AudioScope
• Incoming bench checks : Prepare the AudioScope for calibration.
2.5.1 ___ Check the tightness of the two slotted screws near battery
positive spring
2.5.2 ___ Check the tightness of the charger jack
2.5.3 ___ Remove RTV from the potentiometers
2.5.4 ___ Check that the sound tube extends at least 1/16" to 1/8" into
the cavity behind the lens. If it does not, move it upwards. Use
fingers. Long nose pliers could bend or crush the sound tube
See Figure 2.5.4 below
•
Preparation of Sound Equipment:
2.5.5 ___ Set up your sound equipment as per “AudioScope II Sound
Equipment Calibration and Setup Procedure A01825"