OPERATING INSTRUCTIONS
2. Key lock operation
This unit incorporates a key lock feature which can inhibit the tampering using the keys on the control panel.
The key lock is set to OFF at the factory.
| Display | Mode | Function |
|
|
| Key lock OFF | Temperature change enabled |
|
|
| Key lock ON | Temperature change disabled |
|
Table 2 Key lock setup procedure (Example: Key lock OFF ⇒ Key lock ON) |
| |||
| Operation | Key operated | Indication after operation | Display mode |
|
| The current refrigerator or freezer | Temperature | |
|
|
| temperature is displayed. | display mode |
1 | Press and hold the digit shift | The lower digit of the temperature | Key lock | |
| key for about 5 seconds |
| display blinks. | mode |
2 | Set the lower digit to “1” with | Pressing the key shifts up the |
| |
| the numeric value shift key |
| figure of the digit. |
|
3 | Press the set key |
| Key lock is set to ON and the current | Temperature |
|
| SET | refrigerator or freezer temperature is | display mode |
|
|
| displayed. |
|
Note:
Key lock can be set any time when the current refrigerator or freezer temperature is displayed.
If the numerical value shift key is held depressed for more than about 5 seconds, F0 is displayed. This is one of the functions used by the service personnel and the figure should not be changed. To return to the refrigerator or freezer temperature display mode, press the set key or leave the unit for about 90 seconds without pressing any key.
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