Motorola RDM2020 用户手册

To receive, stop talking.

VOX can be temporarily disabled by 
pressing the PTT button or removing the 
audio accessory.

IVOX - INTERNAL VOICE OPERATED 
TRANSMIT (RDM2080d MODEL)
Enables the radio to automatically transmit due 
to recognition of voice without the use of audio 
accessories. The radio automatically stops 
transmitting when audio is no longer present. 
To enable iVOX on the radio: 

Press and hold the PTT button while turning the 

radio ON. The display will show the 

 icon.

To transmit, talk directly into the microphone 

without pressing the PTT button. There is a 
short threshold in the transmission that can be 
adjusted by changing the iVOX level in the 
CPS.

Turn OFF the radio to disable iVOX.

iVOX operation can be temporarily disabled 
by pressing the PTT button while the radio is 
ON.

VOX/IVOX SENSITIVITY SETTINGS
(RDM2080d MODEL)
Before changing VOX sensitivity settings, this 
feature must be configured via the CPS and an 
audio accessory must be connected to the 
radio.  Before configuring iVOX sensitivity, the 
iVOX feature must have been enabled by 
pressing the PTT button while powering up the 
radio. The default sensitivity value for VOX is 

Accessory 
Connector

VOX 
Accessory