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L-3 ELAC Nautik
The CHANNEL 1 MENU allows the service technician to set the following parameters:
• Draft the transducer installation depth is entered here, i.e. the depth
of the transducer below the waterline, e.g. 5.6 m. This
compensation allows accurate surface to sea bed
measurements..
• Trim the distance between the transducer and the lowest part of the
keel is entered here, e.g. 0.3 m. This compensation allows
accurate keel to sea bed measurements.
• Blocking depth this setting is to prevent false digital depth readings caused by
the effects of resonance of non-ELAC transducers. If the water
depth is less than the depth set here, the digital display will show
a „?“ but the analogue depth reading will be displayed correctly.
• Frequency the transducers working frequency is entered here, e.g. 50 kHz.
• Location the position where the transducer is installed is entered here,
e.g. BOW. This parameter can not be altered for single
channel systems.
To alter the Draft setting, press the following keys:
• Call up the CHANNEL 1 SUB MENU as described previously
• CURSOR W (1x, to mark the word Draft)
• ENTER (1x, to mark the 1st digit)
• CURSOR W or V (to alter the metre (1st digit) setting)
• ENTER (1x, to confirm selection and jump to 2nd digit)
• CURSOR W or V (to alter the 1/10th of a metre (2nd digit) setting)
• ENTER (1x, to confirm selection)
• ESCAPE (2x, to leave the MENU)
To alter the Trim setting, press the following keys:
• Call up the CHANNEL 1 SUB MENU as described previously
• CURSOR W (2x, to mark the word Trim)
• ENTER (1x, to mark the 1st digit)
• CURSOR W or V (to alter the metre (1st digit) setting)
• ENTER (1x, to confirm selection and jump to 2nd digit)
• CURSOR W or V (to alter the 1/10th of a metre (2nd digit) setting)
• ENTER (1x, to confirm selection)
• ESCAPE (2x, to leave the MENU)
To alter the Blocking Depth setting, press the following keys: