Seiwa SWRx series - Manual (Page 14)

16 User Manual
♦
Set MBS to 0. The white spot in the Radar origin will disappear.
Done
Trans. Trigger Delay
055
Transmission
Trigger Delay
Tuning
Gain
MBS
050
095
Rings RNG
1/8 Nm 1/4 Nm
Fig. 1.7.4.4a- Transmission Trigger Delay tuning (II)
♦
Slowly decrease the GAIN value until the clutter clears out and you can
clearly distinguish a round spot in the Radar origin:
Done
Trans. Trigger Delay
031
Transmission
Trigger Delay
Tuning
Gain
MBS
000
095
Rings RNG
1/8 Nm 1/4 Nm
Fig. 1.7.4.4b - Transmission Trigger Delay tuning (III)
♦
If the Transmission Trigger Delay is properly tuned the spot in the Radar
origin should appear as in the picture above. In any case to be sure your
TTD is properly tuned try to decrease the Transmission Trigger Delay until a
hole start forming in the center of the round spot:
Done
Trans. Trigger Delay
031
Transmission
Trigger Delay
Tuning
Gain
MBS
000
079
Rings RNG
1/8 Nm 1/4 Nm
Fig. 1.7.4.4c - Transmission Trigger Delay tuning (IV)
♦
Now increase the TTD until the hole closes (not more than just the value to
make it close). The increase rate should be very slow: just increase by a
single step at the time and wait until you see the effect on the screen. When
the hole in the center of the spot closes you have reached the optimal TTD
setting.