Tyco P5400 series - Keypad; Figure 9-1: P5450 Scan Radio Front Panel

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9.1.2 Keypad
The keys on the keypad have special functions and are labeled using a symbol or abbreviated word
describing its primary function. Numeric entry is a secondary function of the keys. Each key is described
in the following subsections.
Figure 9-1: P5450 “Scan” Radio Front Panel
KEY FUNCTION
Primary Function:
Allows the user to scroll through available systems, groups, or channels, depending
on personality programming.
Secondary Function
: Changes the selection for an item within a list.
Primary Function
: Accesses the pre-stored menu.
Secondary Function
: Activates a selected item within a list. This is similar to an “Enter” key.
Adds/Deletes selected groups or channels from the Scan list of the currently selected system.
Turns the Scan operation ON and OFF.
Activates one of a number of programmable software options.