Cobra 19 DX IV 19DXIV1 - Page 6
Selecting a Channel, Channel 9/NOR/Channel 19, CB/PA, S/RF Power Meter, TX Indicator, Squelch, RF - 40 channel cb radio
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Main Icons Operating Your Mobile Radio Operation Intro Operation Customer Warranty Operation Assistance • Intro Secondary Icons Squelch Operation Customer Warranty Assistance This control is used to cut off or eliminate receiver background noise in the absence of an incoming signaInls.taAllatdiojnust Customer uAnsstisiltantchee receiver noise disappears. This will require the incoming signal to be slightly stronger than average receiver noise. Further clockwise Secondary Icons roItnasttailloatinon will Cinusctormeerase Assistance the threshold level which a signal must overcome in order to be heard. Only strong signals will be heard at a maximum clockwise setting. Squelch is the "control gate" for incoming signals. Notice Adjust Squelch/RF Gain Knob ToCasuqtiounelch yWoaurnringradio: 1. Full clockwise rotation closes the gate, Notice Caution Warning allowing only very strong signals to enter. 2. Full counterclockwise rotation opens the "gate," allowing all signals in. 3. To achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise. Now turn the control clockwise just until the noise stops. This is the DSS setting. Main Icons Gate Closed Gate Open Desired Squelch Setting (DSS) Strong Signals Strong Signals Medium Signals Medium Signals Weak Signals Weak Signals Noise Intro Operation Customer Assistance Noise Warranty Strong Signals Medium Signals Weak Signals Noise Secondary Icons RF Gain This control is used to adjust receiver sensitivity. Maximum sensitivity allows weak signals to be Installation Customer Assistance received. However, very strong signals (such as from a nearby transmitter) can cause distortion at that setting. Adjust until the distortion disappears. Reducing the receiver's RF Gain eliminates distortion from very strong incoming signals. Adjust Squelch/RF Gain Knob To set RF Gain: 1. Full counterclockwise rotation minimizes Notice Caution Warning gain for maximum distortion control. 2. To achieve the desired level of distortion control, turn the RF Gain knob counterclockwise until the distortion is eliminated. 6 English 3. After moving away from the strong signal, turn the RF Gain knob fully clockwise to receive all possible signals. Warning Warranty Warning Warranty Caution Assistance Customer Assistance Customer Caution Assistance Customer Assistance Customer Installation Operation Installation Customer Assistance Secondary Icons Operating Your Mobile Radio Main Icons Operation Intro Operation Customer Warranty Operation Assistance • Channel Selector Knob NoIntsictaellation Selecting a Channel Rotate the Channel knob clockwise CuCstaomuteiron Warning unAstsisltadnceesired channel is displayed. Intro Operation Secondary Icons Main Icons Installation Notice Channel 9/NOR/Channel 19 Button Secondary Icons Intro Operation ChCauationn nel 9W/aNrninOg R/Channel 19 Set CH 9 to obtain instant access Custtoomtehr e emeWragrreanntycy channel. Assistance Set NOR position to use the channel knob to choose any of the 40 channels. Notice Installation Set CH 19 to obtain instant access to Custthomeerinformation and calling channel. Assistance CB/PA Button Secondary Icons CB/PA In the CB position, the PA function is disabled and the unit will transmit and receive on the selected channel. The PA function should not be used unless a PA speaker is connected. In the Notice Caution Warning PA position, the transmit function is disabled and Main Icons the microphone output will go only to the PA speaker. S/RF Power Meter Intro S/RF Power Meter Shows relative transmitter RF output power and input signal strength when receiving. The Liquid Crystal Display (LCD) segments increase with signal strength. TX Indicator Secondary Icons TX Indicator The TX Indicator will light when in the transmit mode. "Busy" will appear when there is an incoming signal. Notice Nothing comes close to a Cobra® 7