21 PreparationsComponent DescriptionsStrap fixtureAttach the strap.(P. 33)The lock cover(P. 22)Battery cover(P. 22–23)IndicationsLCD display Description PageStandard (for normal use) 31Theater (for TV, music) 31Party (for noisy situations) 31Indoors (for quiet situations) 31Battery power level 23Volume 30Main unit Description PagePrevents user’s accidentalunintended operation 30Slide the switch between on/off 30–31Volume adjustment 30The hearing aid complies withrequirements for the BF typeapplied part according to UL60601-1:2003 R6.03.