| 摘要 |
A facsimile apparatus capable of informing an operator of data such as operable time of the facsimile apparatus, the number of documents transmittable and receivable based on the quantity of electric charges remaining in the battery comprises a clock for generating time data and a monitor for monitoring the quantity of electric charges remaining in the battery. The monitor calculates the charging time of the battery based on the time data. The charged quantity of the battery from the time when the battery started to be charged to the current time is determined from the charging time. The operation time of the facsimile apparatus driven by the battery in each of the operation modes is calculated based on the time data. The consumed quantity of electric charges in the battery is measured from the operation time. The quantity of electric charges remaining in the battery is calculated from the charged quantity and consumed charge quantity. The operable time of the facsimile apparatus, the number of documents transmittable and receivable for each of the operation modes are displayed based on the current quantity of electric charges in the battery. A detector is provided which detects fall in the quantity of electric charges remaining in the battery below a predetermined value in a normal reception mode. The operation mode of the facsimile apparatus is switched from the normal reception mode to a memory reception mode based on the output from the detector.
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