Dwell Time - Watkins-Johnson Company WJ-8718-19/FE Instruction Manual

INSTALLATION AND OPERATION
WJ-8718-19/FE HF RECEIVER
Example 10:
Store present receiver parameters and threshold of 5 in memory
channel 62.
(1) Threshold data entry; "5" displayed
in FREQUENCY/MHZ display
window.
(2) Termination command; "5"
displayed in BFO OFS/THRS LVL
display window.
(3) Channel number data entry; "62"
displayed in FREQUENCY/MHZ
display window.
(4) Termination command; "62"
displayed in MEM ADRS display
window; all front panel data
stored in memory channel 62.
r
[5]
[THRS]
[6] [2]
[STORE]
Threshold level display: Pressing THRS, without entering keypad data
beforehand, causes the threshold data to be displayed in the BFO OFS/THRS LVL
display window. Pressing THRS, without entering keypad data beforehand, during
AUTO SCAN or EXAM operations, causes the stored threshold level for each channel
accessed to be displayed.
2.4.5.4 Dwell Time
When AUTO SCAN mode is utilized, a dwell time must be selected. The
dwell time is used when signal strength exceeds threshold. Entering a dwell time of
"0" selects 0.1 seconds. Entering a dwell time of "1" through "8" selects 1 through 8
seconds respectively. If a dwell time of "9" is entered the scan stops until restarted
by pressing AUTO SCANn
The following procedure enters a desired dwell time. Example 11 shows a
typical dwell time command.
2-22
o Dwell Time - Procedure
1) Enter desired dwell time code on keypad.
2) Terminate command by pressing DWL termination switch.