Lex 3I770A, Руководство пользователя

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JSB1: CMOS clear select
JSB2
:
ME RTC clear select
JSC3
:
COM3 RS232/RS422/RS485 select
JVC1
:
COM1 voltage select
JVC3
:
COM3 voltage select
JVL1
:
LCD Panel power select
2-7 List of Jumpers
2-8 Jumper Setting Description
A jumper is ON as a closed circuit with a plastic cap covering two pins. A jumper is OFF
as an open circuit without the plastic cap. Some jumpers have three pins, labeled 1, 2,
and 3. You could connect either pin 1 and 2 or 2 and 3.The below
fi gure 2.2 shows the
examples of different jumper settings in this manual.
All jumpers already have its default setting with the plastic cap inserted as ON,
or without the plastic cap as OFF. The default setting may be referred in this
manual with a " * " symbol .
Figure 2.2