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1.2.8
How to adjust the TX limit switch position
Adjust the TX limit switch position so that the switch is turned on where the transmit-
ting face of the transducer is projected from the hull unit.
Transmitting position
Distance to the transmitting position (A) can be selected from 450 mm, 425 mm, 400
mm, 375 mm or 350 mm. The distance to the transmitting position can be calculated
with the following formula. Select the value closest to the calculation.
• 800 mm travel: A = T- 550 mm
• 1100 mm travel: A = T - 850 mm
For example, when the tank length (T) for the 800 mm travel is 920 mm, the calculated
value is " A = 920 - 550 = 370 mm". Therefore, adjust the TX limit switch so that the
distance to the transmitting position is 375 mm.
Note: The transducer can transmit when the transducer is projected 270 mm from the
retraction tank.
Distance to the transmitting position A
450 mm, 425 mm, 400 mm 375 mm or
350 mm
Tank length (T)
1. MOUNTING
1-11
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