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| Illustration 1 | g00764232 |
Keypad | |
The scanner has a keypad with eight keys. The keypad is used to perform the following functions:
- Configure the scanner.
- View the temperatures.
- View the values of the setpoints or change the values.
- Calibrate the scanner.
Note: Certain functions of the keypad can be locked in order to prevent changes to the scanner's non-volatile memory. For information on locking of the keypad, refer to Systems Operation, "Combination Locks".
| "VIEW ALARMS" - This key enables the operator to perform the following activities: |
- View the status of the input for engine rotation.
- Review the log of the highest cylinder temperature.
- View the log of the channels that have exceeded the setpoints.
- Clear the logs.
The logs are helpful in determining the maximum cylinder temperature that has been reached and the thermocouples that have been responsible for activating an alarm.
| "SETUP" - This key is used to configure the scanner for the particular installation. |
| "RESET" - This key acts as a reset for the scanner. The "RESET" key enables the operator to reset the scanner if an alarm occurs. The key is used to clear the output switches. |
The "RESET" key can also reset the start-up timer. For information on the start-up timer, refer to Systems Operation, "Start-up Sequence".
| "ENTER/ACK" - This key is used for several functions. |
The "ENTER/ACK" key is used to save new data or a new configuration in non-volatile memory.
The "ENTER/ACK" key is used to acknowledge an active alarm.
The "ENTER/ACK" key can also cancel the start-up timer.
| "SETPTS" (setpoints) - This key is used to view each of the six setpoints for the alarms. The key is also used to change the setpoints. When the key is pressed, the description of each setpoint and the temperature of the setpoint is displayed. |
| "ESC" (escape) - This key can be used at any time to return to the normal display. If the "ESC" key is pressed during programming, the revised values are discarded. The configuration returns to the saved values and the normal display is resumed. |
| Up Arrow and Down Arrow - These keys are used for several different functions. |
During normal operation, each press of the up arrow key increments the channel one at a time. The down arrow key decrements the channel.
The arrow keys are used to scroll through the selections in the setup mode. The keys are used to change the values for the filter. For information of the setup and the filter, refer to Systems Operation, "System Configuration Parameters".
The arrow keys are used to change the values of setpoints.
The arrow keys are used to calibrate the scanner.