This instruction show you guide on how to display controller version for HITACHI ZX890-7 excavator.
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Hitachi Excavator ZX-7 Service Repair Workshop Manual 2021 PDF
Procedures:
1 Turn select/set switch (3) and select Controller Version (4) from Service Menu.
2 When pushing select/set switch (3), the version of each controller appears.
3 When pushing back switch (1), the previous screen appears.
4 When pushing home switch (2), the basic screen appears.
