Welch Allyn OAE Hearing Screener - User Manual - Manual (Page 11)

Indicator lights (LEDs)
Message Definition
NOISE/Orange The indicator labeled ‘NOISE’ displays an amber light when the
noise level measured during the test exceeds a nominal
threshold. It also is used to indicate some error conditions and
when the outcome of test is REFER, NOISY, or NO SEAL.
TEST/Yellow The indicator labeled ‘TEST’ displays a yellow light when the
selected test is being performed. A steady yellow light
indicates that a test is in progress.
READY/Green The indicator labeled ‘READY’ displays a steady green light
indicating that no test is being administer and that the screener
is ready to be used for testing.
CHARGE/Blue The indicator labeled ‘CHARGE’ displays a steady blue light
when the battery is charging. The intensity of the blue light
indicates the progress of the battery charging.
Directions for use About warnings and cautions 7