Motorola XPR 5550 用户手册

Your dealer can program the programmable buttons as 
shortcuts to radio functions or up to a maximum of six (6) 
preset channels/groups depending on the duration of a button 
press:

Short press 

 Pressing and releasing rapidly.

Long press 

 Pressing and holding for the programmed 

duration.

Hold down 

 Keeping the button pressed.

NOTE: The programmed duration of a button press is 

applicable for all assignable radio/utility functions or 
settings. See Emergency Operation on page 44 for 
more information on the programmed duration of the 
Emergency button.

®

 Audio Switch 

 Toggles audio routing between 

internal radio speaker and external Bluetooth-enabled 
accessory.

 Provides direct access to the contacts list.

 Provides direct access to the contacts list for you to 

select a contact to whom a Call Alert can be sent.

 Toggles Call Forwarding on or off. 

 Selects the call log list.

 Plays zone and channel 

announcement voice messages for the current channel. This 
function is unavailable when Voice Announcement is disabled.

 Depending on the programming, initiates or 

cancels an Emergency alarm or call.

 Toggles the audio routing between the 

connected public address (PA) loudspeaker amplifier and the 
radio’s internal public address (PA) system. 

Intelligent Audio On/Off 

 Toggles Intelligent Audio on or off. 

 Initiates a call by keying in any subscriber 

ID.

Manual Site Roam*

‡

 

 

 Starts the manual site search.

Mic AGC On/Off 

Toggles the internal microphone automatic 

gain control (AGC) on or off. Not applicable during a Bluetooth 
session. 

 Monitors a selected channel for activity.

Nuisance Channel Delete*

‡

 

 Temporarily removes an 

unwanted channel, except for the Selected Channel, from the 
scan list. The Selected Channel refers to the user’s selected 
zone/channel combination from which scan is initiated.

* Not applicable in Capacity Plus

‡