2 levels of backup
1. Malfunction of main announcement system
--> use hi-fi set
--> 1 hour (or so) before exam:
---- ensure head set fully plugged in
---- ensure volume zero
---- ensure power on
---- insert CD
---- play CD
---- increase volume to audible level (listening via headset)
---- stop playing only after the entire CD has been played.
--> just before start of exam
---- ensure head set fully plugged in
---- ensure volume zero
---- ensure power on
---- insert CD
---- ** delay about 1 minute after the main announcement system is played before playing CD
---- *** In the event of disruption of main announcement system due to malfunction,
--------- unplug the headphone from the Hi-Fi set
--------- turn up to optimal volume for the students taking the LC
2. True power failure
--> use battery operated CD players (black)
---- *** In the event of true power failure,
--------- await instructions from CPE, whether to play CD from the start
--------- turn up to optimal volume for the students taking the LC-->
Wednesday, August 20, 2008
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