crwdns2934241:0crwdne2934241:0 Harold

crwdns2947189:0crwdne2947189:0:

Why does my detector display 4 only?

crwdns2934249:0crwdne2934249:0:

Detector powers on , no sound and displays the number 4 and that's it .

crwdns2866306:0crwdne2866306:0:

Cobra SPX 5300

crwdns2915684:0crwdne2915684:0:

open