RS Pro RS-338 Manuel D'instructions page 2

1. Safety
1-1. International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer
to the manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous
voltages may be present
Double insulation
1-2. Safety Notes
• Do not exceed the maximum allowable input range of any function
• Do not apply voltage to meter when resistance function is selected.
• Set the function switch OFF when the meter is not in use.
1-3. Warnings
• Set function switch to the appropriate position before measuring.
• When measuring volts do not switch to current/resistance modes.
• When changing ranges using the selector switch always disconnect the test leads from
the circuit under test.
• Do not exceed the maximum rated input limits.
1-4. Cautions
Improper use of this meter can cause damage, shock, injury or death. Read and
understand this user manual before operating the meter. Always remove the test leads
before replacing the battery.
Inspect the condition of the test leads and the meter itself for any damage before
operating the meter. Repair or replace any damage Use great care when making
measurements if the voltages are greater than25VAC rms or 35VDC. These voltages
are considered a shock hazard. Remove the battery if the meter is to be stored for long
periods.
Always discharge capacitors and remove power from the device under test before
performing Diode, Resistance or Continuity tests.
• Voltage checks on electrical outlets can be difficult and misleading because of the
uncertainty of connection to the recessed electrical contacts. Other means should be used
to ensure that the terminals are not "live".
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