Seiwa SWRx series - Manual (Page 13)

15 User Manual
wind conditions. The setting of antenna does not affect the operation of the Radar
at all. To set the antenna position follow this procedure:
[MENU] + "Tuning" + [ENTER] + "Antenna Parking Position" + [ENTER]
Use the cursor keys to adjust the position (between 0 and 90).
The displayed number represents the change from the default setting. The final
setting that parks the antenna straight ahead will likely be a few degrees left or
right from the default setting.
1.7.4.3 Sector Transmission Off
A
VAILABLE
O
NLY
F
OR
SWR 9/SWR 10
This is used to block transmission and target reflection in some special applica-
tion for fixed installation like sea watching. Within this sector, targets can not be
detected.
Selecting the Sector Transmission Off from the menu:
[MENU] + "Tuning" + [ENTER] + "Sector Transmission Off" + [ENTER]
Radar antenna
Sector OFF
Fig. 1.7.4.3 - Sector Off
1.7.4.4 Transmission Trigger Delay
Tuning the Transmission Trigger Delay (TTD) allows making accurate distance
measurement. In practice, you need to align the start of the sweep with the
leading edge of the transmission pulse.
IMPORTANT: The unit comes with a default Tuning value already setup by the
factory but to obtain maximum precision you should finely adjust this value. Use
the following procedure.
♦
Enter the Transmission Trigger Delay page.
[MENU] + "Tuning" + [ENTER] + "Transmission Trigger Delay" + [ENTER]
Since the STC is automatically turned off when entering this page, the screen
appear completely covered with clutter, this is a mandatory condition to
allow properly setting the TTD. The screen should appear as follows:
Done
Trans. Trigger Delay
055
Transmission
Trigger Delay
Tuning
Gain
MBS
050
095
Rings RNG
1/8 Nm 1/4 Nm
Fig. 1.7.4.4 - Transmission Trigger Delay tuning (I)