TRICK 1: Recall or TIM/CAL button On the fuel dispenser there is usually a button labelled ‘Recall, TIM/CAL’. The essence of the button is to enable the attendant to see the past sales. If you want to see your last ten sales, you just press Recall, then the number you want to see etc, depending on the number you want, and it shows you the amount. Beyond seeing past sales, petrol attendants use it to cheat and make money from the customers. All he does is to wipe and recall to the amount you want to by. they usually do this when your request is under the recall range. what recall does is to bring history.
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