Panasonic MDF-136 Series Operating Instructions Manual

14CHAMBER TEMPERATURE SETTINGTable 1 shows the basic procedure for setting the chamber temperature. Perform key operations in thesequence indicated in the table. The example in the table is based on the assumption that the desiredtemperature is -35oC.Note: The unit is set at the factory that the set temperature is -30oC.Table 1. Basic operation sequence (Example: Chamber temperature -35oC)Description of operation Key operated Indication after operation1 Switch on the freezer. ---- The current chamber temperature isdisplayed.2 Press set key. SET The second digit is flashed3 Press digit shift key. When pressed, the settabledigit moves.4 Press numerical value shift key andscroll the figure to 5. When pressed, the figure of settabledigit changes.5 Press set key. SETSet temperature is memorized and thecurrent chamber temperature isdisplayed.Note:• The temperature set mode returns to the temperature display mode automatically when 90 seconds haspassed without any key operation.Although the value of the chamber temperature setting can range between -18oC and -40oC, theguaranteed temperature without load is -35oC at ambient temperature of 35oC.Key lock functionThis unit is provided with the key lock function. When the key lock is ON, change of temperature settingthrough the key pad is not available. The key lock is set in OFF at the factory.Display Mode FunctionKey lock is OFF Enable to change of temperature settingKey lock is ON Disable to change of temperature settingTable 2. Procedure for key lock setting (change from key lock OFF to key lock ON)Description of operation Key operated Indication after operation1 ---- The current chamber temperature isdisplayed.2 Press digit shift key for 5 seconds. The first digit is flashed.3 Press numerical value shift key andscroll the figure to 1. When pressed, the figure of settabledigit changes.4 Press set key. SETThe key lock is set to ON.The current chamber temperature isdisplayed.• The key lock set mode returns to the temperature display mode automatically when 90 seconds haspassed without any key operation.