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,1752'8&7,21
1.1.3
Environmental Specifications
The MicroSwitch exchange has been tested and meets with Lloyds Register ENV2 type
approval requirements.
Temperature
Humidity
Vibration
1.1.4
Power Supply
It is recommended that the microSwitch is not powered directly from the ship's emergency
supply as this will increase the background noise heard on the extensions.
1.2
Requirements
An IBM PC (or compatible) with a serial interface and the microAid program or a DTMF
telephone are required to program a MicroSwitch exchange.
1.3
MicroAid
microAid is a software utility to enable you to reconfigure the MicroSwitch. Full details about
microAid are provided in the microAid help file which is available from Marine
Communications Limited at the address given in the front of this handbook.
1.4
Extension Facilities
The MicroSwitch extensions are grouped into two user categories:
• Category A - Officer Class extensions
• Category B - Crew Class extensions
In addition there are Engineering facilities which are only available through a PIN access
code.
The Officer Class and Crew Class facilities are described in the MicroSwitch User Manual;
the Engineering facilities are described in this manual.
4
Operating
Storage
PLFUR6ZLWFK 7HFKQLFDO 0DQXDO
0 to +55 deg C
0 to +70 deg C
5 to 95% relative humidity
1.0mm amplitude at 2 to 13.2Hz
1g at 13.2 to 100Hz
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