Motorola XPR 4580 - Manual (Page 76)

Advanced Features
English
64
Turning the Option Board Feature(s) On or Off
A channel can support up to 6 option board features. Refer to
your dealer or system administrator for more information.
Procedure:
Press the programmed Option Board Feature button to toggle
the feature on or off.
Turning the Voice Operating Transmission (VOX)
Feature On or Off
This feature allows you to initiate a hands-free voice activated
call on a programmed channel. The radio automatically
transmits, for a programmed period, whenever the microphone
on the VOX-capable accessory detects voice.
NOTE: You may need to turn off the radio and power it up
again after detaching the VOX-capable microphone
from it to allow the radio to switch to another valid
accessory.
Pressing the PTT button during radio operation will disable
VOX. To re-enable VOX, do one of the following:
• Turn the radio off and power it on again, OR
• Change the channel via the Channel Rocker, OR
• Follow the procedure below.
NOTE: Turning this feature on or off is limited to radios with
this function enabled. Check with your dealer or system
administrator for more information.
Procedure:
Press the programmed VOX button to toggle the feature on or
off.
OR
Follow the procedure below.
1 S to access the menu.
2 P or Q to Utilities and press N to select.
3 P or Q to Radio Settings and press N to select.
4 P or Q to VOX and press N to select.
5
The display shows VOX On. Press
N
to disable VOX. A
tone sounds and the display shows VOX Off.
OR
The display shows VOX Off. Press
N to enable VOX. A
tone sounds and the display shows VOX On.
If the Talk Permit Tone feature is enabled (see Turning the Talk
Permit Tone On or Off on page 67), use a trigger word to
initiate the call. Wait for the Talk Permit Tone to finish before
speaking clearly into the microphone.