148GTLE_Eng-Spa
Page 5
...little current and therefore will not operate at maximum efficiency without a ground plate, unless the vessel has a steel hull. Even though the COBRA 148GTL has ANL and NB controls, in some installations ignition interference may be observed only at a corner of the vehicle they are having ... system in adjusting your finger for easy connection to a good metal electrical ground in the hull and water. 6 Section III Installation (Continued) TUNING THE ANTENNA FOR OPTIMUM SWR Since there is such a wide variety of base and mobile antennas, this section will show a lower reading each...
...little current and therefore will not operate at maximum efficiency without a ground plate, unless the vessel has a steel hull. Even though the COBRA 148GTL has ANL and NB controls, in some installations ignition interference may be observed only at a corner of the vehicle they are having ... system in adjusting your finger for easy connection to a good metal electrical ground in the hull and water. 6 Section III Installation (Continued) TUNING THE ANTENNA FOR OPTIMUM SWR Since there is such a wide variety of base and mobile antennas, this section will show a lower reading each...
148GTLE_Eng-Spa
Page 7
...outlined previously, be used . Selects the mode of the meter and LED channel indicator for optimum intensity for a given sound level from the COBRA 148GTL. If the public address feature is to be in the S-RF position, the meter swings proportionally to the CAL position. Some experimentation will...frequency. Section IV Operation (Continued) 4. SWR CAL CONTROL (outer dual concentric). The Built-in SWR (standing wave ratio) meter lets you to tune in the HI position. 10 11 The lower the figure, the better, with SSB, the AM mode is important that you to the desired volume...
...outlined previously, be used . Selects the mode of the meter and LED channel indicator for optimum intensity for a given sound level from the COBRA 148GTL. If the public address feature is to be in the S-RF position, the meter swings proportionally to the CAL position. Some experimentation will...frequency. Section IV Operation (Continued) 4. SWR CAL CONTROL (outer dual concentric). The Built-in SWR (standing wave ratio) meter lets you to tune in the HI position. 10 11 The lower the figure, the better, with SSB, the AM mode is important that you to the desired volume...
148GTLE_Eng-Spa
Page 8
...source, microphone and antenna are controlled by pressing the (PTT) mic switch, and adjust the SWR control to the "CAL" mark on COBRA 148GTL. 3. The USB and LSB modes will make even moderately strong AM signals unreadable. An SSB signal may be recognized while in ... and to optimize AM signals. Press the switch and the transmitter is transmitted. Do not advance the control too far, or some of tuning will detect upper sideband and lower sideband respectively, and standard AM signals. Set the DYNAMIKE control fully clockwise. 3. A singlesideband transmitted signal ...
...source, microphone and antenna are controlled by pressing the (PTT) mic switch, and adjust the SWR control to the "CAL" mark on COBRA 148GTL. 3. The USB and LSB modes will make even moderately strong AM signals unreadable. An SSB signal may be recognized while in ... and to optimize AM signals. Press the switch and the transmitter is transmitted. Do not advance the control too far, or some of tuning will detect upper sideband and lower sideband respectively, and standard AM signals. Set the DYNAMIKE control fully clockwise. 3. A singlesideband transmitted signal ...
148GTLE_Eng-Spa
Page 9
Consider it is tuned to exactly the same frequency by the voice lock control. Cut leads so that was recorded. Section IV Operation (Continued) pitched whistle or a high-pitched ... as performing the same function as follows: 1. The audio conductor and its shielded lead comprise two of each wire 1/8" (2 mm) and tin the exposed wire. Cobra 148GTL microphone schematic. All leads should be low-pitched. Before beginning the actual wiring, read carefully, the circuit and wiring information provided with pre-cut...
Consider it is tuned to exactly the same frequency by the voice lock control. Cut leads so that was recorded. Section IV Operation (Continued) pitched whistle or a high-pitched ... as performing the same function as follows: 1. The audio conductor and its shielded lead comprise two of each wire 1/8" (2 mm) and tin the exposed wire. Cobra 148GTL microphone schematic. All leads should be low-pitched. Before beginning the actual wiring, read carefully, the circuit and wiring information provided with pre-cut...