1. An electronic device, comprising
a discharge lamp;
a lamp power supply section that supplies power to said discharge lamp; and
a control section that makes said lamp power supply section execute a lamp refresh process of supplying power necessary for
generation of a halogen cycle to said discharge lamp at predetermined time intervals during a low power operation in which
said discharge lamp is lighted with power less than a rated power,

wherein said control section includes:
a recording section in which a control instruction is recorded, the control instruction being issued to said lamp power supply
section during the low power operation; and

a timer that is configured to measure a total low power operation time of said discharge lamp and a total lamp refresh execution
time.