Simrad ME70 - REV C, Руководство оператора

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Getting started
Selecting transmission mode and power
Purpose
The ME70 allows you to disable or enable pinging
by means of the
Ping
command on the
Operation
menu. It will also allow you to select active or passive
transmission mode by means of the
Tx Mode
command
on the same menu.
Observe the following procedure to set up transmit power and mode.
Description
When pinging is enabled, you can select between two different transmission (Tx) modes.
1
Passive
The ME70 transmissions of acoustic energy into the water is paused.
• If the pinging has been enabled (
Ping
set to
On
) the system will however listen
(receive echo data) in the same manner as during normal operation. You can use
this mode to detect and investigate background noise.
• If the pinging has been disabled (
Ping
set to
Off
) the system will neither transmit
nor receive.
2
Active
The ME70 transmissions of acoustic energy into the water is active according to
the parameters defined.
• If the pinging has been enabled (
Ping
set to
On
) the system will perform its
normal operation.
• If the pinging has been disabled (
Ping
set to
Off
) the system will neither transmit
nor receive.
Whenever active transmission takes place, you can adjust the power output by means of
the
Tx Power
command on the
Operation
menu.
Procedure
1 Click the
Operation
icon.
This icon is located under the
Main
menu. It is
used to open the
Operation
menu.
2 Click the
Tx Mode
button.
3 Select
Active
on the submenu.
4 Click the
Tx Power
command.
5
Select the requested transmission power on the submenu:
–6 dB
,
–12 dB
or
Max
.
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