Watkins-Johnson Company WJ-8711A, Installation, Operation And Maintenance Manual

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WJ-8711A DIGITAL HF RECEIVER
FO-4. Example of an F1 F2 Scan Operation
with and without Lockouts (Sheet 2 of 2)
FP-13/(FP-14 blank)
The following steps are an example of the procedure necessary to lock a frequency out of an F1 F2 scan. The first step pauses the
scan. Then enter the frequency of 1.5 MHz to be locked out and press the FREQUENCY LOCKOUT key to store it. The last steps
restart the scan.
PROCEDURE CONTROL ACTIONS DISPLAY REACTION
A.
B.
C.
D.
E.
Press the PAUSE key to pause the scan
(PAUSE key LED becomes lit).
Enter a frequency of 1.5 MHz by entering 1.5
and terminate with the MHz key
With a frequency of 1.5 MHz currently shown in
the frequency display, press the FREQUENCY
LOCKOUT key to lock it out of the scan operation.
Approximately one second after the lockout frequency is entered the Memory/Scan display
automatically goes blank.
Press the SCAN TYPE key until the LED beside
F1 F2 w/Lock is lit.
Press the PAUSE key to restart the scan.
87IL125A
MEMORY/SCAN
MEMORY/SCAN
The following steps are an example of the procedure necessary to view and clear stored lockout frequencies. The first step pauses
the scan and selects the F1 F2 w/Lock mode so the lockouts can be viewed. Then the scan setup parameters and lockout
frequencies are viewed. With the lockout frequency of 1.5 MHz displayed, it is then cleared and the scan is restarted.
3. LOCKING A FREQUENCY OUT OF THE F1 F2 SCAN
4. VIEWING AND CLEARING A LOCKOUT FREQUENCY
1
5
LCKOUT STORED
FREQUENCY
LOCKOUT
PROCEDURE CONTROL ACTIONS DISPLAY REACTION
A.
B.
C.
D.
E.
Press the Pause key to pause the scan (PAUSE
key LED becomes lit) and then press the SCAN
TYPE key until the LED beside F1 F2 w/Lock
is lit.
Select the SCAN SETUP key to light its LED
if not already lit.
Continue pressing the SCAN setup key or use
the MEMORY/SCAN EDIT KNOB to step
through and view the start frequency, stop
frequency, step size, and dwell timer settings
and then the stored lockout frequency(s).
With the undesired lockout frequency shown
in the MEMORY/SCAN display, press the
CLEAR key to clear it from memory.
Press the PAUSE key to restart the scan.
PAUSE
SCAN
SETUP
(MEMORY/SCAN
EDIT KNOB)
PAUSE PAUSE
(The FREQUENCY display
shows the tuned frequency.)
PAUSE PAUSE
(The FREQUENCY display
shows the current frequency.)
MHz
1 500 000
FREQUENCY MHz
SCAN
TYPE
CHANNEL
F1 F2
F1 F2
W/LOCK
(No reaction from
the displays.)
(The FREQUENCY display
constantly steps through all
frequencies in the setup until
a signal is detected and
dwelled upon.)
PAUSE PAUSE
SCAN
TYPE
CHANNEL
F1 F2
F1 F2
W/LOCK
PAUSE
SCAN
SETUP
SCAN
SETUP
MEMORY/SCAN
F1 530000 00
OR
MEMORY/SCAN
LK 500000 01
MEMORY/SCAN
CLEAR
(The FREQUENCY display
constantly steps through all
frequencies in the setup until
a signal is detected and
dwelled upon.)
Courtesy of http://BlackRadios.terryo.org