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Specifications
Nothing Comes Close to a Cobra
®
21
Maintenance
20 English
Maintenance
•
Maintenance of Your Radar Detector
Your detector is designed and built to give you years of
trouble-free performance without the need for service.
No routine Maintenance is required.
If your unit does not appear to be operating properly,
please follow these troubleshooting steps:
■
Make sure the power cord is properly connected.
■
Make sure the socket of your vehicle’s cigarette lighter
is clean and free of corrosion.
■
Make sure the power cord’s cigarette lighter adapter
is firmly seated in your cigarette lighter.
■
Check the power cord fuse. (Unscrew the ribbed end cap of
the cigarette lighter adapter and examine the fuse. If required,
replace it with a 2-amp fuse only.)
Specifications
•
Band and Frequencies
Band
Frequencies
X Band
10.525
± 0.050
GHz
K Band
24.125
± 0.125
GHz
Safety Alert
24.070
± 0.010
GHz
Traffic Warning
24.110
± 0.010
GHz
System
24.190
± 0.010
GHz
24.230
± 0.010
GHz
Ka Band
34.700
± 1.300
GHz
Ku Band
13.435
± 0.050
GHz
Laser
910
± 50
nm
Strobe
700
± 300
nm
Unit Dimensions and Weight
Dimensions* (H x W x D)
Weight*
1
1
⁄
3
" x 2
3
⁄
4
" x 4
1
⁄
3
"
5.11 oz.
(34 mm x 70 mm x 110 mm)
(145 g)
* Dimensions and weight measurements are approximate.
This radar detector is covered by one or more of the following U.S. patents: 5,497,148; 5,594,432;
5,612,685; 6,078,279; 6,094,148. Additional patents may be listed inside the product or pending.
Intro
Operation
Customer
Assistance
Warranty
Notice
Secondary Icons
Your Detector
Intro
Operation
Customer
Assistance
Warranty
Notice
Secondary Icons
Your Detector