31Sending Level AdjustmentIf your voice is quiet or the person you have called has difficulty hearing,you can increase the sending level volume with the switch located on theright side. You can also decrease the sending volume if required. There arethree levels, Min, Normal and Max (outgoing volume up to 12dB)Receiving Volume and Tone AdjustmentYou can increase the receiving volume and adjust the receiving tone ac-cording to your own hearing requirements. The AMPLI button allows extrareceiving and tone functions to be activated during the conversation in anad hoc fashion. When the function is activated, the red light to the left ofthe button is lit. Use the TONE and VOLUME slider buttons to adjust thelevel according to your own hearing requirements. When AMPLI is on, thereceiving volume adjustment is 15- 30dB. The tone control allows you toeither boost low or high frequency range. When AMPLI is off, the receivingvolume adjustment is 0 - 15dB. The tone control cannot be used.When the call is finished, the telephone will reset to standard mode i.e.AMPLI turned off.Extra Volume Adjustment SwitchIn order to override the standard setting i.e. AMPLI switched off, turn theextra volume adjustment switch, located on the rear panel of the telephone,to On. (use the tip of a pencil or small screwdriver if necessary).ON: When the switch is ON, the extra receiving volume and tone functionsare automatically activated each time you use the phone. You do not needto use the AMPLI button. (during any call, you can temporarily switch offand on the extra volume override by pressing the AMPLI button.)OFF: When the switch is switched OFF, you will need to activate the func-tion by pressing the AMPLI button in order to get use of the extra volumeand tone functions.This override is useful if the person using the telephone will always needthe amplification setting.VOLUME AND TONE