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Connecting AP15 Audio Processor
It is important for correct and safe operation that the AP15 short cord is installed into the proper jack
of your telephone. Follow these instructions carefully, especially if your telephone has two jacks where
the handset was attached. Be sure to note or mark which jack was used for the handset.
1. Disconnect the handset coil cord from your telephone and connect it to the handset jack on the AP15
with the handset symbol.
2. Connect the free end of the short cord (the other end comes attached to the AP15) to the now open
handset port on your telephone.
3. Connect the power supply to the DC power jack on the AP15 and connect to power source.
4. Connect your headset (not supplied) into the Quick Disconnect™ cord from the AP15.
A. Using the Headset or the Handset
To use the headset, wear the headset and press the headset/handset button until the indicator is green.
To use the handset, press the headset/handset button until the indicator is off.
B. Adjusting AP15 for Compatibility with your Telephone
If your telephone has a volume control, set it to mid-range.
1. While wearing the headset, remove handset from telephone cradle and listen for a clear dial tone.
2. If you do not hear a clear, crisp dial tone, slide the compatibility switch on the bottom of the AP15
through positions A – F until you hear a clear dial tone.
NOTE Trying different settings for the best sound will not harm your telephone or the AP15.
C. Making and Receiving Calls with Headset
To make a call while wearing the headset, lift the handset from the telephone. Press the headset/
handset button if the indicator is not already green. Listen for a dial tone and make a test call.
If the call is not clear, try changing the compatibility switch. If necessary, adjust the speaking and/or
listening volume to select the best performance.
To receive a call, lift the handset from the telephone cradle.
To disconnect a call, return the handset to the telephone cradle.
D. Adjusting Listening Volume
If your telephone has a volume control, set it to mid-range.
Make a test call to a friend and adjust the listening volume as follows:
1. To increase your listening volume, press the + at the top of the listening volume button.
2. To decrease your listening volume, press the – at the bottom of the listening volume button.
NOTES
• Ifthelisteningvolumeissettoohigh,thelisteningclaritymaybeaffected.
• Ifyouhearyourownvoicetooloudly,reducethevolumesettingonthetelephone.
• UsethevolumecontrolontheAP15notthephonetoadjusttoacomfortablelisteninglevel.
E. Adjusting Speaking Volume
1. Locate the speaking volume switch on the bottom of the AP15.
2. During a call, slide the speaking volume switch from position 1 (quietest) to position 9 (loudest) until
the caller can hear you at the same level as with the handset.
NOTE During the call you can switch back and forth between the handset and the headset using the
headset/handset button so your listener can easily compare speaking volumes.
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