Watkins-Johnson Company WJ-8718-19/FE Instruction Manual page 57

Hf receiver
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INSTALLATION AND OPERATION
WJ-8718-19/FE HF RECEIVER
Example 24:
[4]
[5]
[RCL]
Sector Scan Command Sequence - Procedure 3
1)
Enter receiver register data location (channel number)
on keypad.
2)
Terminate recall command by pressing RCL termination
switch.
3)
Enter sector channel number (17 for Sector A, 19 for
Sector B) on keypad.
4)
Terminate command sequence by pressing AUTO SCAN
termination switch.
Initiate a Sector B scan utilizing receiver register parameters
stored in memory channel 45.
(1)
Data entry; "45" displayed in
FREQUENCY/MHZ display windown
(2)
Termination command; receiver
parameters set to those stored in
channel 45; "45" displayed in MEM
ADRS display window.
[1]
[9]
[AUTO SCAN]
(3)
Data entry; "19" displayed in
FREQUENCY/MHZ display windown
(4)
Termination command; receiver
scans Sector B; "19" displayed in
MEM ADRS display window.
2.4.6.3.4
Frequency Lockout
The frequency lockout feature of the MFP allows up to four frequencies per
sector to be locked out of the scan. A desired tuned frequency is locked out bv
storing it in one of eight designated scan frequency lockout channels.
Sector A
ockout frequencies must be stored in memory channels 22 through 25.
Sector B
lockout frequencies must be stored in memory channels 26 through 29.
When a specific frequency is locked out of a sector scan, all active
channels within a certain frequency band surrounding that frequency are ignored
^V!? iv K°a", °£fuati0,n- The,width of tn* lo^ed out frequency band is determined
>y the IF bandwidth selected for use during the sector scan, and is approximately
equal to the 60 dB bandwidth of the selected IF filter.
oximateiy
2-32

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