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1 For your safety
The following symbols on the 9243 amplifier module and in this operation manual warn of
hazards.
1.1 Symbols used in this manual
1.1.1 Signal words
The following signal words are used in the operation manual according to the specified hazard
classification.
DANGER
High degree of risk: indicates a hazardous situation which, if not avoided, will result in death or serious
injury.
WARNING
Moderate degree of risk: indicates a hazardous situation which, if not avoided, may result in death or
serious injury.
CAUTION
Low degree of risk: indicates a hazardous situation which, if not avoided, could result in minor or
moderate injury.
NOTICE
Property damage to the equipment or the surroundings will result if the hazard is not avoided.
Note: It is important to heed these safety notices in order to ensure you handle the 9243 amplifier
module correctly.
IMPORTANT: Follow the information given in the operation manual.
1.1.2 Pictograms
Electric shock hazard
Electrostatic discharge. Do not touch!
Take precautionary measures against static discharge.
High Voltage! Danger to Life!
Warning about dangerous electrical voltages.