Audio 1 Calibration & AC Testing Flashcards
What do you check in audiometer stage A daily calibration? (6)
ARBLESS
Stage A routine daily checks as per BSA
R - response button, usable / indication light
B - battery / laptop allow 5 mins for circuits to warm up
L - leads / smooth & untwisted
E - earphones - plugs, leads, rubber, cushion
S - sweeps x 3
S - switches - secure & lights work correctly and silently
What do you do for audiometer weekly stage A calibration? (4)
CANT
C - communication circuit working
A - audiogram performed on known person
N - noise check for noise when masking is introduced
T - tension, check headgear tension AC & BC
What are the questions asked before PTA? (4)
Have you been exposed to any loud noise in last 24hrs?
Have you any surgical implants in you head?
Do you suffer from tinnitus?
Which is your better ear?