Operating Instructions | symphony 5.3 A – 06/2009
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7
Handling and control
7.1 Power switch
Power switch intergrated in front
device stands
Fig.16:
Depending on which side the door hinges are installed, the power
switch is integral to the front cover of one of the front device stands.
[1] Power Switch
[2] Front cover
To turn the device on:
• Press the power switch [1]; the switch illumination comes on.
To turn the device off:
• Press the power switch; the switch illumination goes off.
7.2 Operating panel
Functional areas of
operating panel
Fig.16:
The operating panel is divided into three functional areas:
• 2 displays that show numeric values for temperature and CO
2
content.
• 8 keys for selecting functions and for entering data.
• 6 LEDs that show functions or operating states.
[3] Temperature display
[4] Heating LED
[5] Key for setting temperature nominal value
[6] Key for increasing value
[7] Key for reading failure codes / stopping acoustic alarm
[8] Key for activating auto-start
[9] LED for indicating door (open door)
[10] LED for indicating active auto-start
[11] LED for indicating active overtemperature protection
[12] LED for indicating active optional 90 °C decontamination routine
[13] Key for starting optional decontamination routine
[14] Key for starting cal function
[15] Key for reducing value
[16] Key for setting CO
2
nominal value
[17] LED for indicating active CO
2
gas supply
[18] CO
2
display
