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▶Engine ignition systems・Gear heads・Brush less motors

■Engine tachometers・hourmeters

　１. How to receive of the ignition pulse

Our tachometers and hour meters receive the ignition pulse when the ignition coil fires the spark plugs.
Put the sensor from the main unit close to a spark plug cable or clamp the included antenna lead on a plug cable.
Set the measurement position of the engine being measured.

　　E.g. For a 2-cycle, 1 cylinder or 4-cycle, 2 cylinder engine: P21:42; for 4-cycle, 1 cylinder

　　engines that fire once/rotation as well: P21:42.

In cases where the spark plug cables are gathered together, such as with cars, either put the sensor of the main unit close to them, or clamp the antenna lead to one on the inside of the spark plug cable bundle as shown in Photo A.

Photo A

In cases like motorcycles and outboard motors, in which the ignition coil is remote, arrange the antenna lead so it touches all the spark plug cables, as shown in Photo B.

Photo B

　２．How to reset (initialize)

The method of operation varies by model, so check your instruction manual.

　　Models PET-302R, PET-304, PET-2000DXR, PET-2100DXR, & PET-3000DXR do not have

　　a reset (initialize) function.

※PET-3000DXR has an hour count reset function.
※You can download instruction manuals from our home page under either

　the Support Download Page, or from the Product Information Page.

　３．Troubleshooting

Refer to Troubleshooting.
For any problems that are not described, please contact the store where you purchased the product or our Customer Service Center.

　４．To gauge a 4-cycle, 1-cylinder engine

Normally 4-cycle, 1-cylinder engines fire once every 2 revolutions, but many engines utilize an ignition system that fires once/revolution. (many are small displacement engines)

　　In such cases, measure from the 2-cycle, 1-cylinder position.

As some multi-cylinder engines act the same way, when multiple RPMs are displayed, try measuring from the 2-cycle position.

　５．Exchange of the battery

Only available with the PET-1200.

As the power consumption of other models is low, their batteries last a long time; when their batteries wear out, the electronic parts inside the main unit are likely to have deteriorated, so they cannot be replaced.

　６．Inquiries & requests for repairs

When requesting repairs during the warranty period, make sure you have the Model Name, Date of Purchase and a description of the Problem (in as much detail as possible) and be sure to take the warranty card to the store where you purchased the product to request repairs.
After the warranty period or if the store where purchased is unknown, please contact our Customer Service Center.

※The warranty is not valid without the product's warranty card.
※The product may not be covered by the warranty, depending on the problem.
※The cost of repairs must be paid if the product is out of the warranty period or not covered.

　７．Manuals

You can download instruction manuals from our home page under either the Support Download Page, or from the Product Information Page.

　８．Calibration certificate

Only tachometers can be calibrated. No other products may be calibrated.
When requesting a certificate of calibration, make sure you have the Model Name and Date of Purchase and contact the store where you purchased the product.
If the store where the product was purchased is unknown, please contact our Customer Service Center.

※There is a charge for this service.

　９．Certificate of applicability for tachometer & hour meter products

A certificate of applicability can be issued.
To purchase, please contact our Customer Service Center.

　10．Catalog requests

You can download a catalog from the Support Download Page of our home page.

If you wish to receive one via FAX or post, please contact our Customer Service Center with your Name, Company Name, Address, Phone #, Product Name and indicate whether by FAX or post.
We can mail one per person.

※Catalog requests can be made only for tachometer or hour meter products.

　11．The length of the antenna lead ＆ other leads

ＰＥＴ－１０００Ｒ，ＰＥＴ－１１００Ｒ，ＰＥＴ－２０００ＤＸＲ，ＰＥＴ－２１００ＤＸＲ，ＰＥＴ－３０２Ｒ，
ＰＥＴ－３０４，ＰＥＴ－３０００ＤＸＲ

１２００ｍｍ

ＤＥＴ－６１０Ｒ

２０００ｍｍ

ＰＥＴ－３２００Ｒ

１０００ｍｍ

ＰＥＴ－４０００

２６０ｍｍ

　12．Waterproof performance

ＰＥＴ－２０００ＤＸＲ，ＰＥＴ－２１００ＤＸＲ，