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Anleitung Zusammenfassung
,.;***■« Features: State-of-the-art techniques have been used in the electronics of your new Midland CB. Including Midland Power performance —with a transmitter rated for legal maximum 4-watt output power with high level modulation in accordance with FCC Part 95. Plus a highly sensitive, selective dualconversion superheterodyne receiver with a tuned RF stage, ceramic filters and built in, automatic noise limiter-certified to FCC Part 15 requirements. Outside, it’s designed to give you the most convenient operation possible. No other design aspect has been given more attention than the time and motion -saving features built into your new radio, microphone and mounting system. You’ll find and enjoy the benefits of this attention to detail all across the control panel. For example: • New large-scale, easy-reading LED 40-channel indicator. • Volume control. • Full-range, variable squelch control. I O Variable mic gain control. True Analog Signal/Power/Modulation/SWR Meter. SWR-CAL-S/RF meter switch. RF gain control. SWR calibrate control. Front-mounted, screw on deluxe microphone. CB-PA switch permits use as a public address amplifier. ANL (Automatic Noise Limiter) “Off” switch. Noise blanker switch and ESP2™ dynamic noise filter switch. Brite-Dim switch. Jacks for external speaker and PA speaker. Precision PLL (Phase Locked Loop) tuner. “Omni-Power” operation on 13.8-volt DC, positive or negative ground. Fresh, attractive styling with mounting bracket and retention knobs for easy i stallation and removal for security. CFO-OFF^-CHig Instantly selects CH9 or CH19. ■v v-\V- wm& m&tim - ^vivív;-; ■ .■ ..i Midland 77-250CXL Mobile CB operating controls. ANL-OFF-PA siwtch NB ON-OFF switch CH9-0FF-CH19 switch ESP ON-OFF switch BRITE-DIM switch .S/RF-SWR-CAL Meter switch SRF/SWR meter Channel rotary switch SWR control LED display 6 How to install your Midland mobile CB. This transceiver may be installed in any 12-volt negative or positive ground-system car or truck. Most current U.S. and foreign vehicles use a negative system, but some older modfels and some newer large trucks may have a positive ground. Check the requirements for your vehicle before you begin installation. Generally, you have a negative-ground system if the minus (-) battery terminal is connected to the motor block. Contact your dealer in the event you are unable to determine your vehicle’s polarity system. Installation and operating accessories furnished with your Midland Mobile CB: 1. Easy-remova! mounting bracket system. 2. Microphone bracket system. 3. All main-unit and microphone mounting hardware needed for normal installation. 4. Plug-in microphone with coil cord. 5. Owner’s Manual. Where to locate your CB transceiver. Your new Midland CB is designed to be installed under the dash of your vehicle. Safety and convenience are the primary considerations in deciding exactly where to locate your radio. Caution: Be sure that the unit is locatec so that it does not interfere with the driver or impair access to any controls. Connecting cables must be routed and secured in such a manner as not to interfere with the operation of the brake, accelerator or other controls. Interference from either the unit or connecting cables may contribute to the loss of control of the vehicle. Also be sure the CB installation does not interfere with airbag operation. „•'•■•I . .vi. zsm zm ;zm Mechanical mounting. Step 1: Heeding the caution, use the mounting bracket as a template for marking the location of screwholes under your dash. Use an awl, nail or other sharp, pointed object to mark the metal. Step 2: Drill a. 1/8” hole for each screwhole in the mounting bracket. Attach the bracket to the dash with the 3/8” Phillips machine screws provided. Extreme care should be 'exercised when drilling into dash to avoid damage to under-dash electronic ignition, cruise control, instrument airbag, and/or accessory wiring. Step 3: Locate and secure the radio into the mounting bracket allowing working space for later power connections. Power wiring. Step 1: If you have not determined whether your vehicle has a negative or positive ground, do so now. Then disconnect the leads from the battery to prevent short circuits that can occur during wiring. Step 2: With negative ground, connect the red wire — the one with in-line fuse holder — to either the (a) fuse block, (b) cigarette lighter or (c) directly to the positive post on your battery. (Usually, the fuse block is the most convenient connecting point. It is also possible to connect to the Accessory terminal on the ignition switch, so that your CB automatically goes off when the ignition goes off, preventing accidental battery drainage.) Then tightly connect the black wire directly to the vehicle’s metal frame. With a positive ground, reverse the wires, connecting the red/fuse-holder wire to the frame, the black wire to your DC power source. A light or meter can b...