Control Panel - Panasonic MDF-U334 Series Operating Instructions Manual

FREEZER COMPONENTS

Control panel

< MDF-U537D >
1. Alarm lamp (ALARM): This lamp is flashed during alarm condition.
2. Digital temperature indicator:
temperature.
3. Numerical value shift key (
shift. ON-OFF of key lock can be selected by pressing this key in the key lock mode.
4. Digit shift key (
lock mode is led by pressing this key for more than 5 seconds in the temperature display mode. Refer to
page 14 for the key lock.
5. Set key (SET): Temperature setting mode is led by pressing this key. Once the key is pressed, the
changeable digit is flashed. Pressing this key again after setting desired temperature, the setting is
stored into computer memory. If there is no key operation for ninety seconds during the temperature
setting mode, the temperature setting mode is invalid automatically. See page 13 for the details.
6. Defrost key (DEF): By pressing this key for five seconds, the refrigerating operation is stopped.
Pressing this key again after defrosting leads resumption of the operation.
Note: The refrigerating operation never resume automatically after defrosting.
7. Alarm buzzer stop key (BUZZER): To silence the audible alarm, press this key. The remote alarm
is also stopped by pressing this key. (The buzzer cannot be stopped during alarm testing.)
8. Alarm test key (ALARM TEST): Test key for alarm device. By pressing this key, the alarm lamp is
flashed, remote alarm is activated and buzzer sound. This means all alarm function operate correctly.
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This indicator shows the present chamber temperature or set
): Pressing this key in the setting mode causes the numerical value to
): Pressing this key in the setting mode causes the changeable digit to shift. Key
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