Tyco Electronics P5300 User Manual

55 

Automatically selects the pre-programmed Group/System by pressing and holding 
for a programmed duration. It can also be used to declare an emergency by 
pressing and holding for a programmed duration. The button must be pre-
programmed for either operation, but not both. 

Push-To-Talk must be pressed before voice transmission begins. In trunked mode 
the radio’s ID is transmitted upon depression of the PTT button. (Refer to 

.) 

Exits the current operation (removing all displays associated with it) and returns 
the radio to the selected talk group. Terminates individual and telephone 
interconnect calls. 

Activates one of a number of programmable software options selected during PC 
programming. Programmable options include hi/low power settings, keypad lock, 
LCD contrast, LCD and keypad back lighting. 

The keys on the keypad have special functions and are labeled using a symbol or abbreviated word 
describing its primary function. Alpha-numeric entry is a secondary function of the keys. Each key is 
described in the following subsections. 

 

Primary Function: Accesses the pre-stored menu.  

Secondary Function: Activates a selected item within the menu. This is similar to an 
“Enter” key. 

  

 

Scrolls thru available menu items (see Table 8-4). 

Adds/Deletes selected groups or channels from SCAN list of the currently selected 
system. 

Toggles SCAN operation ON and OFF. 

 

Activates one of any programmable software options selected during the PC 
programming, including: high/low TX power and talkaround.