Turning off the ME70 system
When you do not use the ME70 system, turn it off. To turn off the three Power Supply Units and the Transceiver Unit, use the functionality in the ME70 program.
Context
You must never turn off the ME70 system by means of the on/off switch on the computer. You must never turn off the ME70 system by means of the on/off switch on the Processor Unit. You must always follow this procedure.
Note
Turning off the Processor Unit will not automatically turn off the Transceiver Unit and the three power supplies.
If the ME70 will remain unused for a longer period of time, disengage all the circuit breakers, and stop the ventilation fans for the sonar room. This will prevent dust from entering the Transceiver Unit.
Use the Exit button on the top bar to close down the program. You can also follow this procedure.
Procedure
1 Open the Operation menu.
2 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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3 In the TRU On/Off dialog box, select Stop.
a Allow the three Power Supply Units and the Transceiver Unit to power down.
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.
4 Select Exit on the top bar.
Observe that the ME70 program closes down.
5 If the Processor Unit does not turn itself off automatically, use the functionality provided by the operating system to turn it off manually.
6 Turn off the display.
If required, refer to the instructions provided by the display manufacturer.
7 If your transducer is mounted on a drop keel, retract it.