Accessories
5.To transmit, speak into accessory microphone. There is a short delay between the time you start talking and when the radio transmits.
6.To receive, stop talking.
To turn VOX off, press 
or remove the audio accessory.
Handsfree Use Without Accessories (iVox) (T5530 model only)
You can use the iVox feature to transmit handsfree without the need for any voice activation (VOX) accessories. Once iVOX is turned on, the radio detects your voice and transmits when you speak.
1.Turn the radio off.
2.Turn the radio on while pressing 
. 
displays.
3.To temporarily disable iVox, press 
. 
flashes intermittently.
4.To turn off iVox, turn the radio off.
Setting the Sensitivity Level
Adjusting the radio’s sensitivity level helps minimize the possibility of unintended noises triggering a transmission and helps the radio pick up soft voices.
1.Press 
until 
displays.
2.Press 
or 
to select the sensitivity level:
= High Sensitivity | = Medium Sensitivity | = Low Sensitivity |
for quiet environments | for most environments | for noisy environments |
Note: When you connect a VOX accessory, the radio is automatically set to the last chosen sensitivity level.
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