SPARK (serv.man7) - JBL Audio EMC - CB Certificate (repair manual). Page 24

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Report No.:  EM201300221-2                Application No.:  ZJ00028648                       Page 24 of 48 
 
 
5.2.3 Performance criteria for Continuous phenomena applied to Transmitters 
(CT)  
The performance criteria A shall apply.  
Tests shall be repeated with the EUT in standby mode (if applicable) to ensure that unintentional 
transmission does not occur. In systems using acknowledgement signals, it is recognized that an 
ACKnowledgement (ACK) or Not ACKnowledgement (NACK) transmission may occur, and 
steps should be taken to ensure that any transmission resulting from the application of the test is 
correctly interpreted.  
 
5.2.4 Performance criteria for Transient phenomena applied to Transmitters 
(TT)  
The performance criteria B shall apply, except for voltage interruptions of 5 000 ms duration, for 
which performance criteria C shall apply.  
Tests shall be repeated with the EUT in standby mode (if applicable) to ensure that unintentional 
transmission does not occur. In systems using acknowledgement signals, it is recognized that an 
acknowledgement (ACK) or not-acknowledgement (NACK) transmission may occur, and steps 
should be taken to ensure that any transmission resulting from the application of the test is 
correctly interpreted. 
 
5.2.5 Performance criteria for Continuous phenomena applied to Receivers 
(CR)  
The performance criteria A shall apply.  
Where the EUT is a transceiver, under no circumstances, the transmitter shall operate 
unintentionally during the test. In systems using acknowledgement signals, it is recognized that 
an ACK or NACK transmission may occur, and steps should be taken to ensure that any 
transmission resulting from the application of the test is correctly interpreted. 
 
5.2.6 Performance criteria for Transient phenomena applied to Receivers (TR)  
The performance criteria B shall apply, except for voltage dips of 100 ms and voltage 
interruptions of 5000 ms duration for which performance criteria C shall apply.  
When the EUT is a transceiver, under no circumstances, the transmitter shall operate 
unintentionally during the test. In systems using acknowledgement signals, it is recognized that 
an ACK or NACK transmission may occur, and steps should be taken to ensure that any 
transmission resulting from the application of the test is correctly interpreted. 
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