Owner's manual
SRa5P and SRa Dual Receivers
LECTROSONICS, INC.
20
Spectrumscanningwiththereceiveritselfisthebest
waytondclearoperatingfrequencies,sinceitwill
revealallRFsignalspresentinthereceiver,including
thosegeneratedbyIM(intermodulation).
NavigatetotheSetupScanscreenandpresstheSEL
buttontostartthescanner.Thedisplaywillswitchtothe
SCANWINDOWandstartscanningimmediately.Allow
the receiver to scan.
Scrollthroughthescreenandndafrequencywhere
no RF signals (or in the worst case, only very weak RF
signals)arepresent.Withthecursoronthisfrequency,
simultaneouslypresstheSELUp,DownandSELbut-
tons to leave the scan mode.
Data gathered during a scan is stored until it is inten-
tionallyerasedorthepoweristurnedoff.Previous
data will remain and subsequent scans can be made
to search for additional signals or to accumulate higher
peaks.
Tostopscanning,presstheSELbuttononce.Thescan-
ningwillstopimmediately,andthedisplaywillswitchto
theVIEWwindow.PressingtheUPorDOWNbuttons
will scroll the cursor coarsely across the tuning range.
The transmitter switch settings matching the frequency
indicatedbythecursorareshownintheupperright
corner of the screen.
Scanning for Clear Frequencies
PressboththeUPandDOWNbuttonsatthesame
timetoswitchtotheZoomView.Inthisview,thecursor
remainsxedinthecenterofthescreenandtheback-
groundscrollsbehindit.Thefrequencycanbestepped
upanddownin100kHzincrementsusingtheUPand
DOWNarrowbuttons.
Toclearthescanmemoryandscreens,pressthe
backbuttonrepeatedlytoreturntotheMainWindow,
thenpressandholdthePWRbuttonbriey.Assoon
as“Poweringoff...”appearsonthedisplay,releasethe
button. The receiver will remain turned on, and the scan
data will be erased.
Set your transmitter switches to the same settings as
shownonthedisplay,turnthetransmitteronandverify
thatastrongRFsignalispresent.
NOTE:Whenoperatinginthe2-channelmode,
alwayssetReceiver2toahigherfrequencythan
Receiver1byleast400kHz(four100kHzsteps
ontheswitches).
Scan View Window
RF Signal
indicators
Transmitter
Switch Settings
Cursor (center bar)
SCROLL
reminders
Zoom View Window
Transmitter Switch Settings
for the currently tuned
frequency.
Dashed line (cursor)
shows the currently
tuned frequency.
RF activity level.
70
1
Previously tuned
frequency
B3
Press both UP and
DOWN arrows on
control panel to switch
to the Zoom View
Press the BACK
button to return
to the Scan View
Window