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Description
The
Normal Operation
The dialog box provides one row (line) for each transceiver in use. You are permitted
to change the parameters, but we will advise you not to do any changes unless you are
well aware of the consequences.
Parameters
1
Channel
This column specifies which transceiver(s) you are using. The text string provides
the following information:
• Transceiver ID
• Transceiver's IP address
• Transducer name
2
Mode
This column specifies the current transceiver mode. You can manually select a mode.
a
Active
The transmitter and receiver are both active (normal operation).
This will make the EK15 operate as specified by the
Operation function on page 150 for a list of operational modes.
b
Passive
The transmitter is passive while the receiver is active.
The EK15 will receive and compute the signals detected by the transducer(s).
This mode is thus useful for test purposes, and when you wish to measure the
ambient background noise in the sea. It can also be useful to run the EK15 in
Passive mode to discriminate between target echoes (present only in Active
mode) and noise (present in both Active and Passive modes).
Tip
If you wish to investigate the ambient noise, choose Passive mode in the
dialog box. Any noise or disturbance in the water – within the
Operation
transducer's frequency range – will then be detected and shown. This feature
will for example be able to pick up disturbances from other hydroacoustic
systems on your own vessel, or on other vessels in the vicinity.
c
Test
The transmitter is passive while the receiver is active.
This mode is not designed for operational use with the EK15.
3
Pulse Duration
This column specifies the current duration of the transmitted pulse. You can
manually select a different duration.
If you click
Auto
current operational mode, depth and bottom conditions.
351718/C
dialog box lists all the main parameters for the transceiver(s).
, the EK15 will automatically select the best pulse duration for the
Functions and dialog boxes
function. See
Operation
Normal
155
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