Thermo Scientific 7400 Series, Руководство по эксплуатации и техническому обслуживанию

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The High Temperature Alarm Setpoint is the temperature at which the
high temperature alarm activates.
1. Turn the key switch to the Programming Access position (.). The
digital display will indicate the current High Temperature Alarm set
point.
2. Press High Temp. Three decimal points in the digital display will flash
on and off.
3. Press the up arrow to raise temperature alarm setpoint or the down
arrow to lower it.
4. The Enter button must be pressed after the desired high temperature
alarm point is displayed.
When programming is complete, turn the key switch to the Lock position
and the actual chamber temperature will be displayed. The controller will
now operate at the new setpoint.
The "real time” internal clock enables alarms, program changes, and
current system status to be printed relative to the actual time and date of
occurrence. This information is made available through the RS-232 data
port.
The factory default setting is Eastern Standard Time (USA).
To set the clock, start with the unit turned off.
1. Turn the key switch to Full Access (.). Press the High Level button on
the key pad while turning on the power switch located on the back of
the unit.
2. Starting from the bottom of the bar graph, the first LED on the bar
graph lights and the numeric display on the control panel shows the
current time hundredths of seconds.
3. Press the up arrow (to increase) or down arrow (to decrease) the
setting.
7007400 Cryoplus 2-5 Thermo Scientific
Section 2
Operation
Change High Temperature
Alarm Setpoint
Set Microprocessor
Internal Clock