I need operator's manuels for 2006 X17 (GPS unit?

Ebay.com has several broken or used models with an old printed manual.

Example:

https://www.ebay.com/itm/Lowrance-iFinder-Pro-Handheld-GPS-Receiver-Parts-COULD-NOT-GET-TO-POWER-ON/263937791236?epid=15013553996&hash=item3d73eb1504:g:VpoAAOSwWTJbnE5Z

I wonder if the module has failed again, have you tried reseting the device?

I'm looking into this but I suspect that repairs are required again.

http://primus.lowrance.com/support/resultDisplay.do;jsessionid=93352691ABEF9983BE5DDC0B1405D421?docType=1000&contextId=773:7.23,3621.3656,7.23&clusterName=ClusterPublic&docset=/Documents/Units/Lowrance/Combo&linktosource=1&responseId=135ccbe2cfd4f608:dcb03b:129e656421a:-62a8&groupId=4&answerGroup=1&score=985&page=http://primus.lowrance.com/icr/units/Lowrance/Combo/LMS527CDFiGPSPub.htm&result=0&excerpt=LMS-527C+DF+iGPS&resultType=5000#Goto7

You can download the user manual for this unit from this links.

http://www.lowrance.com/Downloads/Manuals/

http://safemanuals.com/user-guide-instructions-owner-manual/LOWRANCE/HDS-5-_E

http://www.retrevo.com/support/Lowrance-HDS-5-GPS-manual/id/23603ag817/t/2/

I HAD THE SAME PROBLEM AFTER I DOWNLOADED THE LATEST UPDATE. I RELOADED IT AND NOW IT SEEMS TO WORK OK. GO TO THE LOWRANCE WEB SITE AND THEN TO DOWNLOADS. LOOK FOR THE UPDATE FOR YOUR GPS AND FOLLOW THE INSTRUCTIONS.
GOODLUCK

My apologies. I see now that you have an iWay 250C. Here is the manual as found on the Lowrance website.

http://www.lowrance.com/upload/Lowrance/Documents/Manuals/iWAY250c-manual_0160-201_080706.pdf

Hi, Here's a link with the unit description. The screen size is
3 1/2 x 4 5/8. If this helps plz rate this as 'fixa'. Thank you kindly.

http://primus.lowrance.com/support/resultDisplay.do?docType=1000&contextId=770%3A7.14%2C1856.1882&clusterName=ClusterPublic&docset=%2FDocuments%2FUnits%2FLowrance%2FCombo&linktosource=1&responseId=135ccbe2cfd4f608%3Adcb03b%3A11fb2c9b99d%3A4c7d&groupId=4&answerGroup=1&score=977&page=http%3A%2F%2Fprimus.lowrance.com%2Ficr%2Funits%2FLowrance%2FCombo%2FLMS350Pub.htm&result=0&excerpt=LMS+350&resultType=5000#Goto7

had same problem with lms337. i had upgraded the unit but had not upgraded the lms2000 gps module. i was turning the isolator on in the boat which powers up gps module, if the lms337 is not powered up as well the gps unit goes to sleep. the upgrade fixes it by checking that the unit has not been turned on periodically. otherwise as soon as you power up gps module also turn on lms337. lowrance product support sorted this for me.