Preliminary check
Throughout this chapter are references to front panel (F) and rear panel (R) connectors,
controls and indicators. Please refer to Figure 1 - Rear Panel connectors, Figure 3 -
Front panel controls and indicators and Figure 4 - LCD Display in Chapter 1 o f this
manual for specific descriptions and locations.
2.
3.
4.
!
Prior to testing, ensure that the power cord or the batteries are in place and
earphone cords are plugged in securely.
Turn the audiometer on.
Select the desired tone type (steady, pulsed or FM).
Make whatever notations the procedure requires on the audiogram form.
CAUTION
Always handle earphones with care. Neither drop them nor permit them to
be squeezed together. Severe mechanical shock may change their
operating characteristics and require their replacement.
IMPORTANT: Always clean and maintain earphone cushions for hygiene
Check periodically for cracking or signs of wear. Cleanse cushions daily or
use (depending upon population being tested). Use a solution of diluted
soap and water, taking care not to get any of the cleaning solution
speaker. Use earphones only when completely dry. Insert the
the earphone cushions during storage to prevent damage from mechanical shock.
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