Set Scanner (Txrx Setting) - JRC JMA-5212-4/6 User Manual

3.9.5 Set Scanner (TXRX Setting)

This function enables the setting of detail information about a scanner
Procedure 1 Press [RADAR MENU] key.
Press [5] key.
The TXRX Setting Menu will appear.
Detail information about antenna operation can
be set by changing the settings of the menu
items.
[1] PRF Fine Tuning
x Fine-tune the transmitting repetition frequency of the transmitter in the range 90 to 100%.
x If radar's interference patterns are concentrically displayed, increment or decrement the set value by 3
to 4 in order to heighten the effect of interference rejection.
x The same operation can be performed by pressing the [TX/STBY] key several times.
x One of 32 levels 0-31 can be set.
[2] Stagger Trigger
x The interference reduction function is activated by using the transmission repetition frequency control
of the transmitter.
x This function is effective when radar interference does not go away.
OFF : Stagger Trigger is not used.
ON :
[4] PRF
x Select the operation mode the transmitting repetition frequency of the transmitter.
NORMAL
ECONOMY
HI POWER
Stagger Trigger is used.
Standard mode:
Power saving mode:
High sensitivity mode: Sensitivity improves when long pulses are used,
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3.9 APPLIED OPERATIONS
Both appropriate sensitivity and magnetron's life
expectancy are maintained.
Sensitivity slightly lowers, but the service life of
magnetron is prolonged when short pulses are
used.
but the service life of magnetron is slightly
shortened.
y
y y
3