Tone and volume adjustment
Adjust the TONE and VOLUME buttons to fit the
levels to your own hearing requirements.
TONE
Bass 
Treble
+10db max 
+10db max
Normal
VOLUME
+30db max
0dB |
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| 15dB OFF | ||
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15dB |
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| 30dB ON | ||
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2 - SENDING VOLUME LEVEL ADJUSTMENT
If your voice is quiet or called parties have difficulty hearing you, you can increase the sending level volume with the switch located on the upper side. You can also decrease the sending volume if
required. Min Normal Maxi
12
