GMI Gasurveyor 11-500, Руководство пользователя

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If the fault does not clear, return the instrument for
servicing.
‘BAT’
This indicates that the batteries will soon require
replacement. At this point there will be approximately 60
minutes operation left in a set of alkaline batteries,
although this figure will vary depending on battery
manufacturer, temperature conditions, usage etc. With
rechargeable batteries the ‘BAT’ flag indicates
approximately 30 minutes operation left.
As the battery power continues to fall, the LCD flashes a
‘BAT FAULT’ message. Subsequently the LCD displays
‘OFF’ and the instrument automatically switches off. The
batteries should be replaced immediately.
‘BAT FAULT’
This indicates that the batteries require replacing.
‘1’
This message which can also appear after power on,
indicates that a calibration data error has been detected.
The instrument should be returned for servicing.