Welch Allyn AudioScope, Руководство по обслуживанию

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2.6 Multi Level AudioScopes (AudioScope#)
23300
(ASIC TYPE) up to and including serial no.9609999
• Incoming bench checks : Prepare the AudioScope for calibration.
2.6.1 ___ Check the tightness of the two slotted screws near battery
positive spring
2.6.2 ___ Check the tightness of the charger jack
2.6.3 ___ Remove RTV from the potentiometers
2.6.4 ___ 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 with
long nose pliers taking care not to bend or crush the sound
tube. See Figure 2.5.4
•
Preparation of Sound Equipment:
2.6.5 ___ Set up your sound equipment as per "AudioScope II Sound
Equipment Calibration and Setup Procedure A01825"
•
Calibration:
Materials Required: Audiometer Handle Test Specifications A00277
1 sheet (This is the process.)
Electronics Module Test Specification, A00985
1 sheet (These are the specifications.)
Note
: A note appearing on the specification reads “Exact Measurements are not
required for 100% inspection". This note does not apply to sound settings.
Adjust the AudioScope according to the printed sound settings and their
tolerances as shown on the print.
Sequence: Original Step number from A00277: Modifications if
any:
• 2.6.6 ____ step t1 Start Button Check for smooth
operation.
• 2.6.7 ____ step t2 On/Off Switch
• 2.6.8 ____ step 3 L.E.D.s LED.s must be bright.
•
2.6.9 ____ step 4 Rattle
•
2.6.10____ step 7 Cover
•
2.6.11____ step 8 Pneumatic Seal Check seal before sound.
•
2.6.12____ step 5 Sound Level
•
2.6.13____ step 9 Charge