3-17
3.3.3 Model Key
[Function]
- Store the unit-specific information and operate the unit with right function.
- An alarm message is displayed if the unit information stored in the model key differs
from the information stored in the unit.
[Note at the replacement]
- In the event of breakage of model key, the key needs to be replaced.
Contact to Hitachi factory.
- Do not install model key that are removed from other machines.
- Before the replacement, be sure to turn off the power.
- Remove the model key from old EZJ126 board and install that key to CN25 on new
EZJ126 board.
[Model key external view]
3.3.4 Language Key (OPTION)
[Function]
- Add the language outside the support area.
- Store the serial number and additional language information.
- Languages outside the support area are not displayed if the unit information stored in
the language key differs from the information stored in the unit.
[Note at the replacement]
- In the event of breakage of language key, the key needs to be replaced.
Do not install any keys removed from other unit.
- Before the replacement, be sure to turn off the power.
- Remove the language key from old EZJ126 board and install that key to CN15 on new
EZJ126.
[Language key external view]
3.3.5 Upgrade Key (OPTION)
[Function]
- Upgrade the function of the standard model.
- Refer to procedure of addition of function using UX-D/E upgrade key for addition of
the functions.
[Note at the replacement]
- Before the replacement, be sure to turn off the power.
- Remove the upgrade key from old EZJ126 board and install that key to connectors
of CN16 to 18.
- This function is dedicated to UX-D/E only.
[Upgrade key external view]
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