Turning on the ME70 system
To use the ME70 system, you must first turn it on. You must first turn on the display and the Processor Unit. The remaining system units are turned on from the ME70 program.
Prerequisites
•  The Transceiver Unit is connected to the ship’s mains and set up for operational use.
•  All the circuit breakers in the Transceiver Unit are engaged.
•  The air conditioning system in the sonar room is operational.
Context
The ME70 program is not automatically started when the Processor Unit is turned on. On the computer desktop, double-click the ME70 icon to start the program.
Caution
You must never turn on the ME70 system when the ship is in dry dock. The transducer may be damaged if it transmits in open air. To prevent inadvertent use of the ME70 system, pull out the mains plug on the Processor Unit whenever your vessel is in dry dock. Additional precautionary measurers should be considered.
Procedure
1 If your transducer is mounted on a drop keel, lower it.
2 Turn on the display. If required, refer to the instructions provided by the display manufacturer.
3 Turn on the computer. Wait while the operating system loads.
4 Double-click the icon on the Processor Unit desktop to start the program.
5 Once the ME70 program has started, observe that the presentation fills the entire screen. The ME70 starts up using the same settings as the last time you used it. If you wish to alter any of the settings, see the relevant procedures.
6 Open the Transceiver On/Off dialog box.
This dialog box is opened from the Setup menu. You can also open the dialog box double-clicking the Transceiver indicator on the bottom bar.
•  On the Setup menu, select TRU On/Off.
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•  Right-click on the status indicator on the Bottom bar.
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7 In the TRU On/Off dialog box, select Start.
a Allow the three Power Supply Units and the Transceiver Unit to start up.
b Observe the status indicators in the TRU On/Off dialog box during the sequence.
c Verify that the ME70 does not issue any error messages.
d Close the dialog box.
8 On the Main menu, set Beam Mode to Example 1 Sector Uniform Weighting
9 Open the Operation menu.
a Set Operation to Normal.
b Set Range to: 100 m.
c Set Ping to On.
d Set Ping Mode to Interval.
e Set Ping Interval to s.
f Set Tx Mode to Active
g Set Tx Power to Maximum.
10 Observe that the ME70 system starts.