Instruction/ maintenance manual of the product XRS 9840 Cobra Electronics
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XRS 9840 12 BAND ™ UL TRA PERFORMANCE DIGIT AL RADAR/LASER DETECTOR WITH XTREME RANGE SUPERHETERODYNE ® TECHNOLOGY Nothing Comes Close to a Cobra ® English Operating Instructions Printed in China Part No.
Introduction A2 English Contr ols, Indicators, Connections and Displa y Introduction Controls, Indicators, Connections and Display • 12V DC P ower Jack On-Off/V olume Control Allows user to adjust the volume of the tone and voice alerts. Mute Button For manual mute of audio alerts and to select/adjust options while programming.
Contents Introduction Nothing Comes Close to a Cobra ® 1 Introduction Important Information ..........A 1 Customer Assistance ..........A 1 Controls, Indicators, Connections and Display ......A 2 Product Features . ............A 3 Overview ..........
Overview Introduction 2 English This manual describes the simple steps for mounting, setting up and using your detector . It also provides helpful information about how radar and laser guns are used and how you can interpret the alerts you receive.
Installation Y our Detector 4 English 1. Attach the rubber cups to the bracket. 2. Make sure the rubber cups and your windshield are clean. 3. Push the bracket firmly onto the windshield. 4. Attach the detector to the bracket. Check that the unit is parallel to the road's surface.
Getting Star ted Y our Detector Nothing Comes Close to a Cobra ® 7 Standby Screen Icons • 13. 2 V City Mode Highway Mode Compass IntelliMute Above Activation P oint IntelliMute Below Activation P o.
Muting an Alert • Y our detector allows you to quickly turn off an Audio Alert by momentarily pressing the Mute button. If you press the Mute button a second time during the alert, the Audio Alert will be turned back on. After the current alert is gone, the next alert will be heard.
EasySet Pr ogramming Y our Detector Nothing Comes Close to a Cobra ® 11 T o use EasySet program mode: 1. Press the Menu/Save button to reach the opening program screen. 2. Choose whether you want to change: a. User Settings — press the Dim button to enter the User Setting loop (see page 12) b.
Pr ogram Flow Diagrams Y our Detector Nothing Comes Close to a Cobra ® 13 Alert Settings Programming • Alert Programming allows you to selectively turn on or off detection of some signals. The Alert Settings can be selected using the Dim and City buttons by scrolling through the settings as shown in the program flow diagram below .
Settings Y our Detector Nothing Comes Close to a Cobra ® 15 NOTE IntelliMute may not work with some vehicles because it cannot sense the engine’ s revs. In such cases, you can reduce unwanted audio alerts by using Auto Mute and City mode when appropriate.
Settings Y our Detector Nothing Comes Close to a Cobra ® 17 Set Compass After the detector is installed in your vehicle and Compass is turned on (see page 34), the system will automatically advance to the Set Compass calibration screen from which the calibration can be performed.
Settings Y our Detector Nothing Comes Close to a Cobra ® 19 Car Battery V oltage Displa y Mode Y our detector can sense your vehicle’ s electrical system voltage ( Car Battery Voltage ) and show it on the display during normal operation of the unit.
Settings Y our Detector 20 English Alert Settings • P op Aler t When Pop Detect mode is on, Pop radar signals will be detected and an alert will be given. During the alert, the unit will continue to detect other signals. The factory setting is Pop Detect off.
Detection Y our Detector 22 English T ype of Signal Visual Display Voice X Band Radar X Alert K Band Radar K Alert Ka Band Radar Ka Alert Ku Band Radar Ku Alert Pop Radar Mode Pop Alert Signal Strengt.
Detection Y our Detector 24 English T ype of Signal Visual Display Voice Emergency Vehicles Emergency Vehicle Approaching Road Hazards Road Hazard Ahead T rains T rain Approaching T ype of Signal Visual Display Voice VG-2 Alert VG-2 Alert Spectre 1 Spectre Alert NOTE There are different tones for each Safety Alert.
Understanding Radar and Laser Y our Detector 26 English Understanding Radar and Laser • Radar Speed Monitoring Systems Three band frequencies have been approved by the Federal Communications Commission (FCC) for use by speed monitoring radar equipment: X band 10.
Specifications Y our Detector Nothing Comes Close to a Cobra ® 29 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 T raffic Warning 24.110 ± 0.010 GHz System 24.
30 English W arranty Warranty Limited 1-Y ear Warranty • For Products Pur chased in the U.S.A. Cobra Electronics Corporation warrants that its Cobra 12 Band Radar/Laser Detectors, and the component parts thereof, will be free of defects in workmanship and materials for period of one year from the date of first consumer purchase.
Accessories Customer Assistance Nothing Comes Close to a Cobra ® 33 Optional Accessories • Y ou can find quality Cobra products and accessories at y our local Cobra dealer , or in the U .S.A., y ou can order directly fr om Cobra. See order info on page 37.
Set Display Dim mode default Page 18 15 SECONDS 30 SECONDS Tw o beeps Dim One beep Dimmer One beep Dark Appendix Nothing Comes Close to a Cobra ® 35 Nothing Comes Close to a Cobra ® 35 Introduction .
Appendix Nothing Comes Close to a Cobra ® 36 * Not shown if VG-2 Detect is off. ** Not shown if Spectre 1 Detect is off. Appendix NOTE Factory defaults are highlighted in light gray .
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