Hands-Free Use/VOX With Compatible VOX Accessories (T5420 Only)
VOX allows you to transmit "hands-free" by talking while using VOX accessories
connected to the radio. See the Motorola Talkabout Accessory Brochure for the
available VOX accessories.
Turn radio Off.
Insert plug of audio accessory firmly into Accessory Jack.
Turn radio On. Radio will display:
Lower radio volume BEFORE placing accessory on head or
To transmit, speak into Accessory Microphone and to
receive, stop talking.
VOX operation can be disabled by pressing
There is a short delay between when you start talking and the radio transmits.
Note: To order accessories, please refer to: www.motorola.com/talkabout
Setting Sensitivity Level
Adjusting your radio's Sensitivity Level helps to minimize the possibility of unintended
noises triggering a transmission, or enhances the ability to pick up quiet voices.
as needed to display
Select Sensitivity Level of
= High Sensitivity,
for quiet environments
Note: When you connect a VOX accessory, the radio will automatically be set to the
last chosen sensitivity level.
= Medium Sensitivity,
for most environments
= Low Sensitivity,
for noisy environments