Radio Shack PRO-2051 - Manual (Page 32)

32
Beyond the Basics
highway patrol alerts
Most highway patrol vehicles today come equipped with a
secondary radio system known as a
MOBILE EXTENDER or
VEHICULAR REPEATER . Whenever the dispatcher transmits
to any vehicle in the district, the mobile extender in every car
within the district is activated. Using a constant
PRIORITY
CHECK of specifi c frequencies in each state, your scanner
recognizes and alerts you to transmissions from “mobile
extender” radios, as well as from car-to-car, aircraft to-car
and other special-purpose frequencies. You receive an
audible tone and visual alert (fl ashing light) whenever you are
within approximately three miles of highway patrol or state
police units using a mobile extender unit.
highway patrol/local police scanning
Highway patrol and local police frequencies are
preprogrammed on a state-by-state basis. When highway
patrol scanning, the highway warning alert is activated.
selecting the state
1. Confi rm if HIWGHWAY, PRIVATE, or POLICE appears on
the display. If not, press PVT.
2. Press STATE to select the state you are operating in. See
“State Code Order” table on the next page.
3. To step forward through the states (A - W), press STATE
and then repeatedly press e within 3 seconds. To step
backward through the states (W - A), press STATE then
repeatedly press
d within three seconds.
4. To scroll rapidly, hold down e or d . The scanner
automatically scans the highway frequencies and
HIGHWAY appears. The highway patrol priority function
is turned on by default. The scanner beeps and the