Information If however, you do wish to edit the digital channels, you should use the < and > keys. These keys do not skip the digital channel fields. When editing a program, if you use the "enter" key to move to the next field, the Digital Channel fields are skipped. This is because in most cases you would want to accept the suggested values prompted by the controller.

2.4.2Types of data entry field

There are two types of data entry field. The most common is a "value" field. When the input cursor is on a value field, the operator should simply enter the appropriate value (e.g. temperature, digital channel state, file name, etc.). The other type of data entry field is a "selection list". When the cursor is on a selection list, you should use the "up" and "down" arrow keys to move the highlight bar to the appropriate selection.

2.5. The status bar

The status bar is the window of information displayed at the top of the screen. It is visible at all times. The data items displayed on the status bar are:

CONDITION: The temperature and relative humidity (if the controller is configured for humidity) inside the chamber is constantly displayed. The values displayed are updated every second. If the controller is configured for open loop control of a third channel (e.g. light level), this is not displayed (since the actual level is equal to the set point, which is displayed in the Monitor screen).

STATUS: This field describes what the controller is currently doing. It can take the value "idle" or "running".

LOGGING: This field describes the current status of logging. It may take one of the

following values: "inactive", "sync", "alarm" or "active", "sync" indicates that logging will start when the chamber is run, and "alarm" indicates that logging will start when an alarm condition occurs.

PROGRAM: This field describes the state of the currently loaded program. If there is a program loaded, the name and description appears here. In addition, if it is running the word "active" appears to the right of the description. If editing has started on a new program, but that program has not yet been saved, the message "Not Named" appears in this field.

CONTROL: This field indicates the method by which FORMAT is being controlled. It may take the value "local" or "remote". Under normal circumstances this field will indicate "local", which means that the keyboard connected to FORMAT is controlling it. If the value is "remote", FORMAT is under the control of remote RS232 communications.

Note; FORMAT uses the following rules:

When running in steady state control mode:

Temperature is in °C, humidity is in %RH.

For digital channels 0 means OFF, 1 means ON.

In manual mode control is continuous until stopped by the operator.

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Sanyo 550 instruction manual Status bar, Types of data entry field

550 specifications

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