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Viewline Marine Catalogue - Howard Instruments

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Tachourmeter<br />

Tachourmeter Calibration<br />

Basic operation<br />

• Press the key briefly (< 2sec.) to change the currently displayed value.<br />

• Press the key longer (< 2sec.) to change to the next value.<br />

The display returns to normal operating mode<br />

(if a key is not pressed for 30 seconds. Any settings you have made are not saved).<br />

To enter calibration mode<br />

1. Connect to battery power T. 30 (8-pin - Pin1)<br />

2. Connect to ignition power T. 15 (8-pin - Pin4)<br />

3. Ignition power Off<br />

3. Press and hold “Config” push-button (14-pin - Pin 11)<br />

4. Switch On ignition power T. 15<br />

5. Release “Config” push-button<br />

“Config” push-button<br />

“Prog” push-button<br />

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