Bird Technologies 3140 Display - Manual (Page 3)

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Safety Symbols
Note:
Calls attention to supplemental information.
Warning Statements
The following safety warnings appear in the text where there is dan-
ger to operating and maintenance personnel, and are repeated here
for emphasis.
Refer to page 19.
Caution Statements
The following equipment cautions appear in the text and are repeated
here for emphasis.
Refer to page 4.
Refer to page 7.
WARNING
Warning notes call attention to a procedure, which if not correctly
performed, could result in personal injury.
CAUTION
Caution notes call attention to a procedure, which if not correctly
performed, could result in damage to the instrument.
WARNING
Disconnect the unit from the RF power source and the ac line
before any disassembly. The potential for electrical shock exists.
CAUTION
Pin 4 must be connected to power supply ground, other grounds can
be left open if desired.
CAUTION
DB9 are not serial connections. Serial connections to them could
damage the equipment.