14) Troubleshooting tips
Instrument
emits whis-
tling sound
Check if the Receiver Mold/ Dome
is seated properly, try reinserting
the Receiver Mold/ Dome until it fits
securely.
Clean Receiver Mold / clean or
change Dome.
Clean / exchange top cover.
Instrument
emits signal
tones
Check if top cover is closed
completely.
Replace old battery.
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