User's Manual

Your PSR-310 features an easy-to understand backlit keypad with 34 keys that are used to control and
program the radio. Figure 5 highlights the various keys and their basic functions.
illust
Figure 5 - Keypad layout
Softkeys
F1, F2, F3 - activate function shown in the LCD display immediately above the softkey.
Five Way Pushbutton Pad
^ v < > keys are used for navigation while browsing objects and menus. SEL key activates data entry fields
and toggles Scan List selection in object menus. FUNC SEL activates context sensitive help in menus.
Numeric Keypad
Used for data entry of frequencies, talkgroup IDs and alphanumeric labels. Used while scanning, 1-9 and 0
toggle Scan Lists 1-10 on and off. FUNC 1-9 and 0 toggle Scan Lists 11-20 on and off.
Operation Keys
FUNC - activates alternate key functions. FUNC key operation is very intuitive - typically it “amplifies” the
keypress that follows it.
LIGHT - activates backlight, FUNC LIGHT locks keypad.
MAN - Places scanner in Manual Mode for monitoring single objects.
SCAN - Places scanner in Scan Mode for scanning enabled objects, FUNC SCAN launches Spectrum
Sweeper.
TUNE - Allows direct tuning of any valid frequency, FUNC TUNE loads the current or most recently
scanned frequency into TUNE
SRCH - Dedicated Search mode for service and frequency searches
ATT - Toggles Attenuator on and off, FUNC ATT toggles Global Attenuator mode
PRI - Toggles the Priority setting for selected or active object, FUNC PRI toggles Priority Mode on or off for
the scanner
FAV - Activates Favorites Scan Mode, FUNC FAV adds the current object to the Favorites Scan List
WX - Activates Weather scan, FUNC WX activates Skywarn mode
PGM - Places scanner in Program Mode for editing radio-wide options, adding new objects or editing
existing objects
L/OUT - Toggles Temporary Lockout on active or selected object, FUNC L/OUT applies permanent lockout
(can be changed in the GLOB menu)
ENT - Enter key