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2.1 B 28 chamber overview
Figure 3: Incubator B 28
(2) Main power switch (5) Pilot lamp yellow (heating active)
(3) Pilot lamp green (ready to operate)
2.2 E 28 chamber overview
Figure 4: Drying and heating oven E 28
(1) Control thermometer
(2) Timer 0-120 minutes (also main power switch)
(3) Pilot lamp green (ready to operate)
(4) Thermostat
(5) Pilot lamp yellow (heating active)
(6) Thermostat brake