Seaward 300 PrimeTest - Manual (Page 89)

PrimeTest 300 Operating Instructions
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fuse holder.
Relocate the battery cover over the battery compartment
and fasten in position with the battery cover captive
screw.
16.7 Service and Calibration.
To maintain the specified accuracy of the measurement
results, the instrument must be recalibrated at regular
intervals by either the manufacturer or an authorised
Seaward
Service Agent. We recommend a
recalibration period of one year.
If a period of greater than 1 year has elapsed since
the last calibration/validation a warning message
will appear on the display every time the unit is
powered up.