User's Manual

viii Operator’s Manual ZM-520PA/521PA/530PA/531PA
Explanations of the Symbols in this Manual and Instrument
The following symbols found in this manual/instrument bear the respective descriptions as given.
On Panel
Symbol Description Symbol Description
Change screen
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applied part
Attention, consult operator’s
manual
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applied part
Moves cursor, scrolls data Serial number
Direction for attaching battery
cover
Date of manufacture
Direction for inserting battery
RF transmitter
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Direct current F&6$XVPDUN
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On LCD
Symbol Description Symbol Description
Batteries are fully charged
Batteries are almost empty
Replace battery
Batteries are getting low Alarm suspended
Batteries are low 456SXOVHV\QFPDUN