Tyco Electronics MM23772 - page 50

MM23772, Rev. B
50
8.2.2 Keypad (P7250 “Scan” and P7270 “System” Models Only)
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 8-2: P7250 “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 the menu. 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.