Thermo Electron 3721, Руководство по обслуживанию

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EXPLANATION OF CONTROLS
-Front Panel-
1) HEATER ON LAMP - The "Heater On" lamp is
illuminated when power is applied to the heater.
2) LED DISPLAY - Four digits are used to display
the actual, set, calibrate, high limit and low limit
values.
3) INDICATOR LAMPS - There are five (5) green
indicator lamps that are used to inform the user
which parameter the display is indicating. The sixth
indicator is for a high or low temperature alarm
condition. An internal audible alarm will also
operate when this alarm indicator illuminates.
4) ON/OFF SWITCH - The On/Off switch provides
the main power to the incubator.
5) MUTE KEY - This key is used to silence the
internal audible alarm and to also de-activate the
external alarm device if one is being used.
6) HIGH/LOW LIMIT KEY - This key is used to view
the high or low temperature alarm setpoint The
first depression of the key selects the high limit.
The second depression selects the low limit. The
respective green indicator lamp will light.
7) SET TEMP/CAL KEY - This key is used to view
the operating setpoint temperature or calibrate the
unit to a certified/traceable thermometer. The first
depression of the key selects the operating setpoint
and the second depression selects the calibration
mode. The respective green indicator lamp will
light.
8) ENTER KEY - This key is used after any setpoint
selection is made to enter the value into memory.
9) UP/DOWN ARROW KEYS - These keys are
used to increase or decrease the desired setpoint
value.
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