Spectrum Brands SPECTRUM PLUS SP-550 ユーザーズマニュアル

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Using A Headset 
 
The  “HEADSET ON/OFF”  key  controls  the activation of the Headset.  When using the 
headset feature, the handset remains on-hook at all times.  
Placing/Answering a Call 
using the Headset On/Off Feature  
 
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To answer an incoming  call, press the  “HEADSET ON/OFF”  key to activate the head-
set. The LED above the “HEADSET ON/OFF”  key will be illuminated when in ON po-
sition. 
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Adjust the volume, if necessary. 
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Use the features of the headset that are available with the handset in use.  
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You can dial using the the keypad or a speed dial key. 
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To end  headset activation, press the “HEADSET ON/OFF”  key.  The LED above the 
“HEADSET ON/OFF”  key will not be lighted when in OFF position. 
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FreeSpeech
TM
 Talk Feature  is a unique TeleMatrix feature that allows the user 
the freedom to “toggle” between the  headset,  handset  and speakerphone modes 
during a conversation. 
 
Volume Lock Feature  — When the handset, speaker, or headset volume feature is 
selected, the volume will automatically stay at that setting in the next use.