Radio Shack Trc 232 Users Manual 21 1672
TRC-232 to the manual e2751701-68fd-4412-bf96-8f0d20722094
2015-01-21
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21-1672.fm Page 1 Thursday, August 5, 1999 12:04 PM Cat. No. 21-1672 OWNER’S MANUAL Please read before using this equipment. TRC-232 4-Watt 40-Channel CB Walkie-Talkie 21-1672.fm Page 2 Thursday, August 5, 1999 12:04 PM FEATURES Your Radio Shack TRC-232 4-Watt 40-Channel CB WalkieTalkie is a portable, two-way citizen’s band radio that you can carry almost anywhere. Use it around the house, in your office, or in your car or boat. You can put your walkie-talkie to good use on fishing and camping trips, or you can use it in your business for security patrols, supervisors, or warehouse personnel. Your walkie-talkie has these advanced features: Digital Phase-Locked Loop (PLL) Frequency Synthesizer — provides the highest degree of accurate and stable tuning. Auto-Scan — searches for active channels. Dual Watch — lets you monitor one channel while listening to another. Two Power Levels — let you save battery power on short-range transmissions. Power Saver — reduces power consumption by 30% when the walkie-talkie is not receiving a transmission. Large, Illuminated, Digital Display — shows the channel number, battery condition, RF power, and incoming signal strength. Base-Loaded, Helical Antenna with BNC Connector — provides excellent reception and transmission. © 1997 Tandy Corporation. All Rights Reserved. Radio Shack is a registered trademark used by Tandy Corporation. 2 21-1672.fm Page 3 Thursday, August 5, 1999 12:04 PM Built-In, Ceramic Filters — ensure superior selectivity and freedom from adjacent-channel interference. Automatic Modulation Control — ensures a constant RF modulation level. Automatic Gain Control — maintains a constant volume level, regardless of the signal strength. Automatic Noise Limiter — helps reduce noise caused by nearby electrical equipment, such as motors or automotive ignition systems. DC Adapter Cord — lets you operate the walkie-talkie from your vehicle’s cigarette lighter socket or AC power, and connect the walkie-talkie to an external, mounted antenna. Optional Power Sources — let you operate the walkie-talkie from alkaline batteries, rechargeable nickel-cadmium batteries, your vehicle’s cigarette lighter socket, or AC power. Note: You can operate a walkie-talkie without an FCC license. For your records, we recommend you record your walkie-talkie’s serial number in the space provided. The serial number is on the walkie-talkie’s back panel. Serial Number ________________ 3 21-1672.fm Page 4 Thursday, August 5, 1999 12:04 PM CONTENTS Preparation ............................................................................ 6 Connecting an Antenna ................................................... 6 Power Sources ................................................................. 8 Using Alkaline Batteries ............................................ 8 Using Rechargeable Batteries ................................ 10 Charging Nickel-Cadmium Batteries ....................... 12 Using Vehicle Battery Power.................................... 14 Using AC Power....................................................... 16 Using an External Speaker ............................................. 18 Connecting an External Speaker/Microphone................. 19 Using the Wrist Strap ...................................................... 19 Using the Belt Clip............................................................19 Operation .............................................................................. 20 Receiving Transmissions and Adjusting Squelch ........... 20 Transmitting .................................................................... 22 Using Special Controls and Functions ............................ 23 Turning On/Off the Light .......................................... 24 Using Last Channel Recall....................................... 24 Scanning Incoming Signals...................................... 25 Alternating Between Two Channels ......................... 25 Monitoring Channel 9............................................... 26 Locking the Functions ...............................................27 Power Saver.................................................................... 27 Operational Hints ................................................................. 28 Common Uses for a CB Radio........................................ 28 Business Uses ......................................................... 28 Personal Uses ......................................................... 28 Transmission Courtesy ................................................... 29 Maximum Range ........................................................... 30 Using Common 10-Codes ............................................. 30 Care ..................................................................................... 33 FCC Information ............................................................ 34 4 21-1672.fm Page 5 Thursday, August 5, 1999 12:04 PM Replacing the DC Car Adapter Fuse .............................. 35 Specifications ..................................................................... 36 PREPARATION CONNECTING AN ANTENNA Caution: To prevent damage to your walkie-talkie, you must connect an antenna before you operate the walkie-talkie. Your walkie-talkie comes with a helical antenna that is ideal for most applications. However, the walkie-talkie’s BNC antenna connector makes it easy to connect other types of antennas. Your local Radio Shack store sells a wide variety of antennas. Choose the one that best meets your needs. Follow these steps to connect an antenna. 1. Position the BNC antenna connector over the antenna jack on the walkie-talkie. 2. Slip the slot in the antenna connector over the antenna jack’s tab on top of the walkie-talkie. 5 21-1672.fm Page 6 Thursday, August 5, 1999 12:04 PM 3. Press down and turn the antenna’s base clockwise until it locks into place. Note: If you are powering your walkie-talkie from your vehicle’s cigarette lighter socket or from AC power, you can connect the supplied DC adapter cord’s antenna connector to an external antenna (see “Using Vehicle Battery Power” on Page 13 or “Using AC Power” on Page 15). To use a base-station or mobile antenna, attach an appropriate connector adapter (not supplied) to the end of the antenna’s cable. Then insert it onto the walkie-talkie’s antenna connector. 6 21-1672.fm Page 7 Thursday, August 5, 1999 12:04 PM Warning: Use extreme caution when installing or removing an outdoor antenna. If the antenna starts to fall, let it go! It could contact overhead power lines. If the antenna touches a power line, contact with the antenna, mast, cable, or guy wires can cause electrocution and death. Call the power company to remove the antenna. DO NOT attempt to do so yourself. POWER SOURCES You can power the walkie-talkie from any of four sources: • Alkaline batteries (using the supplied alkaline battery case) • Rechargeable nickel-cadmium batteries (using the supplied nickel-cadmium battery case) • Your vehicle’s battery (using the supplied DC adapter) • Standard AC power (using the supplied DC adapter and an optional 12-volt DC power supply) Using Alkaline Batteries You can operate the walkie-talkie with six AA batteries, using the supplied alkaline battery case. For the longest operation and best performance, we recommend Radio Shack Cat. No. 23552. 7 21-1672.fm Page 8 Thursday, August 5, 1999 12:04 PM Follow these steps to install batteries in the alkaline battery case. 1. If the alkaline battery case is connected to the walkietalkie, push the battery latch up and slide the battery case off the walkie-talkie. 2. Using your thumb, press down on one of the arrow marks on top of the battery case and pull it open. 3. Remove old batteries, if necessary, and install six fresh AA alkaline batteries, according to the polarity marks (+ and –) inside the battery case. 8 21-1672.fm Page 9 Thursday, August 5, 1999 12:04 PM 4. Press the battery case back together and slide it onto the walkie-talkie. Cautions: • Never mix different types of batteries, and never mix old and new batteries. • Do not put alkaline batteries in the rechargeable battery case. • Use only replacement batteries of the required type. • Do not dispose of the batteries in a fire because they can explode. • Do not open or mutilate a battery. Swallowing a battery can be fatal. • Be careful not to short the batteries with conducting materials, such as rings, bracelets, and keys. The batteries or conductor might overheat and burn. If BATT LOW appears on the display, replace the batteries. Using Rechargeable Batteries You can operate the walkie-talkie with nine rechargeable nickelcadmium AA batteries (Cat. No. 23-125) using the supplied rechargeable battery case. You need a charger to recharge batteries in the rechargeable battery case (see “Charging NickelCadmium Batteries” on Page 11). 9 21-1672.fm Page 10 Thursday, August 5, 1999 12:04 PM Follow these steps to install batteries in the rechargeable battery case. 1. If the rechargeable battery case is connected to the walkietalkie, push the battery latch up and slide the battery case off the walkie-talkie. 2. Using your thumb, press down on one of the arrow marks on top of the battery case and pull it open. 3. Remove old batteries, if necessary, and install nine AA rechargeable batteries, according to the polarity marks (+ and –) inside the battery case. 4. Press the battery case back together. 5. Charge the batteries. See “Charging Nickel-Cadmium Batteries” on Page 11. 6. Slide the battery case onto the walkie-talkie. If BATT LOW appears on the display, you need to recharge the batteries. Cautions: • Use only replacement batteries of the required type. 10 21-1672.fm Page 11 Thursday, August 5, 1999 12:04 PM • Do not dispose of the batteries in a fire because they can explode. • Do not open or mutilate a battery. Swallowing a battery can be fatal. • Be careful not to short the batteries with conducting materials, such as rings, bracelets, and keys. The batteries or conductor might overheat and burn. • At the end of a rechargeable battery’s useful life, it must be recycled or disposed of properly. Contact your local, county, or state hazardous waste management authorities for information on recycling or disposal programs in your area. Some options that might be available are municipal curbside collection, drop-off boxes at retailers such as your local Radio Shack store, recycling collection centers, and mail-back programs. Charging Nickel-Cadmium Batteries You need a battery charger (Cat. No. 273-1652) and the supplied adapter plug to charge batteries in the supplied rechargeable battery case. Caution: Never use any charger other than Cat. No. 273-1652 to recharge the batteries in the rechargeable battery case. Even battery chargers with the same voltage and current ratings could permanently damage your walkie-talkie or the batteries. 11 21-1672.fm Page 12 Thursday, August 5, 1999 12:04 PM Uncap the power jack cover on the battery case, attach the adapter plug to the adapter, insert the adapter plug into the power jack, then plug the charger into a standard AC outlet. Warning: Never try to recharge alkaline or other nonrechargeable batteries. Charging non-rechargeable batteries can cause them to become very hot and possibly explode. Notes: • You can recharge the batteries with the battery case attached to the walkie-talkie, but be sure to turn off the walkie-talkie before you charge them. • Charging time is 14 to 16 hours the first time. Subsequent recharging takes about 8 to 10 hours. • Occasionally, let the nickel-cadmium batteries totally discharge by using the walkie-talkie until BATT LOW appears on the display. Then fully charge the batteries. This conditions the batteries so they use their full charging capacity. Caution: To prevent permanent nickel-cadmium power loss, never charge the batteries in an area where the temperature is above about 90°F. 12 21-1672.fm Page 13 Thursday, August 5, 1999 12:04 PM Using Vehicle Battery Power Your walkie-talkie comes with a DC car adapter that is ideal for use in your vehicle. It lets you power your walkie-talkie from your vehicle’s cigarette lighter socket (if your vehicle has a 12-volt negative-ground electrical system), and its antenna adapter connector makes it easy to connect to an external antenna mounted on your vehicle. Your local Radio Shack store sells a wide variety of mobile walkie-talkie antennas. Choose the one that best meets your needs. Follow these steps to use DC power. 1. If either battery case is connected to the walkie-talkie, push the battery latch up and slide the battery case off the walkie-talkie. 2. Slide the DC car adapter onto the walkie-talkie. Caution: Before plugging the DC adapter’s cigarette lighter plug into your vehicle’s cigarette lighter socket, make sure the cap is screwed firmly onto the plug. See “Replacing the DC Car Adapter Fuse” on Page 34 for more information about the cigarette lighter plug. 13 21-1672.fm Page 14 Thursday, August 5, 1999 12:04 PM 3. Insert the cigarette lighter plug into your vehicle’s cigarette lighter socket. Note: If the walkie-talkie does not operate properly when you use the DC car adapter, unplug the cord from the lighter socket and clean any ashes or other debris from the socket. If it still does not operate properly, check the fuse in the DC car adapter plug (see “Replacing the DC Car Adapter Fuse” on Page 34). 4. To connect an external, mounted antenna using the DC car adapter, attach the female antenna connector on the DC car adapter to a male antenna connector on the external, mounted antenna cable. Then disconnect the antenna connected to the antenna jack on the walkie-talkie. 5. When you finish using the DC car adapter, disconnect it from the cigarette lighter socket. Then disconnect the adapter cord from your walkie-talkie. Reconnect the supplied antenna to the antenna jack on the walkie-talkie. 14 21-1672.fm Page 15 Thursday, August 5, 1999 12:04 PM Using AC Power You can operate the walkie-talkie from AC power using the supplied DC car adapter, a 12-volt DC power supply (such as Cat. No. 22-120), and a cigarette lighter accessory outlet (such as Cat. No. 270-1539). The supplied DC car adapter also lets you connect an external, mounted walkie-talkie antenna. Note: Most 12-volt DC power supplies plug into a standard AC outlet to produce DC power. Before connecting your walkietalkie to a 12-volt DC power supply, read and follow the instructions included with the power supply. Follow these steps to power the walkie-talkie from AC power. 1. Slide the DC car adapter onto the walkie-talkie. 2. Using the double-sided foam tape supplied with the cigarette lighter accessory outlet, mount the cigarette lighter accessory outlet to the DC power supply. 15 21-1672.fm Page 16 Thursday, August 5, 1999 12:04 PM Caution: Before plugging the plug into your cigarette lighter accessory outlet, make sure the cap is screwed firmly onto the plug. See “Replacing the DC Car Adapter Fuse” on Page 34 for more information about the cigarette lighter plug. 3. Insert the cigarette lighter plug on the DC car adapter into the cigarette lighter accessory outlet. 4. Connect the DC power supply to a standard AC outlet. 5. To connect an external, mounted antenna using the DC car adapter, attach the female antenna connector on the DC car adapter to a male antenna connector on the external, mounted antenna cable. Then disconnect the antenna connected to the antenna jack on the walkie-talkie. 16 21-1672.fm Page 17 Thursday, August 5, 1999 12:04 PM 6. When you finish using the DC adapter cord, disconnect it from the cigarette lighter accessory outlet. Then disconnect the adapter cord from your walkie-talkie. Reconnect the supplied antenna to the antenna jack on the walkie-talkie. USING AN EXTERNAL SPEAKER In a noisy area, an external speaker positioned in the right place might provide more comfortable listening. Remove the cap and plug the speaker cable’s 1/8-inch (3.5 mm) mini plug into the walkie-talkie’s SPK jack. This disconnects the internal speaker. 17 21-1672.fm Page 18 Thursday, August 5, 1999 12:04 PM CONNECTING AN EXTERNAL SPEAKER/MICROPHONE You can use an external speaker/microphone (such as Cat. No. 19-310) for hands-free operation. Remove the cap and plug the speaker/microphone’s connector into the walkie-talkie’s MIC and SPK jacks. USING THE WRIST STRAP You can use the attached wrist strap to keep the walkie-talkie accessible. Simply slip the strap over your hand. USING THE BELT CLIP You can use the attached belt clip to make the walkie-talkie easier to use when you are on the go. Simply slide the belt clip over your belt or waistband. 18 21-1672.fm Page 19 Thursday, August 5, 1999 12:04 PM OPERATION Before you use your walkie-talkie, you should know how to use it effectively and courteously. “Operational Hints” contains information that will help you get more enjoyment from your walkietalkie. RECEIVING TRANSMISSIONS AND ADJUSTING SQUELCH 1. Turn SQUELCH fully counterclockwise. 2. Turn on the power by turning VOLUME clockwise. 19 21-1672.fm Page 20 Thursday, August 5, 1999 12:04 PM 3. Press UP or DWN until the desired channel appears on the display. As you receive signals, the signal meter on the display shows the incoming signal strength. Important! Channel 9 is reserved for motorist assistance and for reporting emergency information about accidents, hazardous road conditions, and so on. Always give emergency messages priority on Channel 9. 4. Adjust SQUELCH to cut out background noise between transmissions. To do this, wait until there is no signal on the channel. Then slowly turn SQUELCH clockwise until the background noise stops. Note: Do not turn SQUELCH too far clockwise because you might cut out weak signals, too. 5. Adjust VOLUME to a comfortable listening level. 6. To turn off the walkie-talkie, turn VOLUME counterclockwise until you hear it click. 20 21-1672.fm Page 21 Thursday, August 5, 1999 12:04 PM TRANSMITTING 1. Follow the steps described in “Receiving Transmissions and Adjusting Squelch.” 2. To transmit, press PTT. TX appears on the display. The RF Out meter on the display shows the output level. Hold the walkie-talkie about 2–3 inches from your mouth and speak slowly and clearly in a normal tone of voice. Note: A built-in automatic modulation circuit adjusts the microphone’s sensitivity to allow for a wide variety of voice levels. 3. When you finish transmitting, release PTT. 21 21-1672.fm Page 22 Thursday, August 5, 1999 12:04 PM 4. Press H/L to set the output power to low power, if necessary. LOW appears on the display. Use this mode to transmit to nearby units. If the other walkie-talkie is farther away or the receiving person complains of noise, press H/L again to set it to high output power. LOW disappears from the display. 5. To turn off the walkie-talkie, turn VOLUME counterclockwise until you hear it click. USING SPECIAL CONTROLS AND FUNCTIONS Your walkie-talkie has several unique controls and functions. We recommend you read the following sections about the controls and functions so you can fully enjoy your walkie-talkie. 22 21-1672.fm Page 23 Thursday, August 5, 1999 12:04 PM Turning On/Off the Light Press LGT to turn on and off the display’s light. Using Last Channel Recall Press LCR to return to the last channel that was used for longer than 3 seconds or was transmitted on. 23 21-1672.fm Page 24 Thursday, August 5, 1999 12:04 PM Scanning Incoming Signals To scan incoming signals, press SCAN. SCAN appears on the display, and the walkie-talkie stops for 5 seconds on each channel where there is a transmission. Press SCAN again to stop automatic scanning. SCAN disappears from the display. Alternating Between Two Channels To alternate between two channels, select one channel and press DW (dual watch). DW appears on the display. Using the UP or DWN channel buttons, select another channel. 24 21-1672.fm Page 25 Thursday, August 5, 1999 12:04 PM The walkie-talkie alternates between the first selected channel (the dual watch channel) and the currently selected channel. Whenever the walkie-talkie detects a transmission on the first channel, it switches back to that channel. After 5 seconds, the walkie-talkie returns to the second channel (even if the transmission is not complete). To turn off dual watch, press DW. DW disappears from the display. Monitoring Channel 9 For emergency call monitoring on channel 9, just press CH9. 09 flashes on the display, and the walkie-talkie stays on channel 9. Press CH9 to release emergency call monitoring. The previously selected channel number appears on the display. 25 21-1672.fm Page 26 Thursday, August 5, 1999 12:04 PM Locking the Functions Use the LOCK switch to lock the walkie-talkie’s functions (except PTT, LGT, and H/L) to prevent accidental program changes. Press LOCK so LOCK appears on the display. To release the lock, press LOCK again. LOCK disappears from the display. POWER SAVER Your walkie-talkie features a special power saver circuit. If the walkie-talkie does not receive a transmission for more than 10 seconds, the circuit sets the walkie-talkie to standby and PS flashes on the display. During standby, the walkie-talkie uses only 70% of the power consumed during regular operation. The walkie-talkie returns to normal power when it receives a transmission, when you turn SQUELCH counterclockwise until you hear noise, or when you press any control or function switch. 26 21-1672.fm Page 27 Thursday, August 5, 1999 12:04 PM OPERATIONAL HINTS Like most activities, CB radio has its customs and courtesies. The following tips will help you get the most enjoyment from your walkie-talkie. COMMON USES FOR A CB RADIO Business Uses • Truck drivers and delivery personnel can learn road and traffic conditions and get assistance in locating destinations. A CB radio is also good company on those “long hauls.” • On construction crews, a CB radio quickly pays for itself when you are calling for additional materials or coordinating the activities of different work crews. • For security officers, a CB radio is more than a convenience — it is a must for both safety and efficiency. Personal Uses • Keep in touch with home while driving to work, to the store, or to a social activity. Let your family know you are tied up in traffic or that you will stop by the store on the way home. 27 21-1672.fm Page 28 Thursday, August 5, 1999 12:04 PM • If you are a two-car (or more) family, CB radios are great for communicating with family members while they are in their cars. • Contact friends or neighbors — find out “what’s happening” or plan a get-together. • Ever have car trouble or run out of gas on the highway? What an assurance it is to be able to radio for assistance! • Camping, fishing, and other sports are more fun with a CB radio. Locate a buddy or find out “what’s cooking” back at camp. TRANSMISSION COURTESY • Wait for a pause in someone else’s transmission before you ask for a break. • If you do not receive an answer to your call after a second attempt, sign off and wait several minutes before trying again. • Do not hold down the PTT button when you are not talking. (This is called dead keying.) • Assist callers with directions, information about road conditions, and any other reasonable requests. 28 21-1672.fm Page 29 Thursday, August 5, 1999 12:04 PM MAXIMUM RANGE The maximum range and quality of CB radio transmissions vary depending on the following conditions: • The type and quality of antenna used • The height of the antenna’s mounting location — the higher the antenna, the better the signal’s range • The surrounding terrain — mountains and tall buildings limit range • Weather conditions • The number of nearby radios operating on the same channel Note: Your CB radio’s transmission range is generally line-ofsight. To ensure maximum range, always keep fresh or fullycharged batteries in your CB radio. USING COMMON 10-CODES Citizen’s band operators and CB radio users have largely adopted the 10-codes for standard questions and answers. These codes permit faster communication and better intelligibility in noisy areas. 29 21-1672.fm Page 30 Thursday, August 5, 1999 12:04 PM This table lists codes adopted by the Associated Public Safety Communications Officers (APCO). Code 30 Meaning 10-1 Your signal is bad. 10-2 Your signal is good. 10-3 Stop transmitting. 10-4 Message received and understood. 10-5 Relay information to _____. 10-6 I am busy or are you busy? 10-7 Out of service. 10-8 In service. 10-9 Repeat last message. 10-10 Negative (NO). 10-11 _____ in service. 10-12 Stand by. 10-13 Report road/weather conditions. 10-14 Information. 10-15 Message delivered. 10-16 Reply to message. 21-1672.fm Page 31 Thursday, August 5, 1999 12:04 PM Code Meaning 10-17 En route. 10-18 Urgent. 10-19 Contact _____. 10-20 What is your location? 10-21 Call _____ by telephone. 10-22 Cancel last message. 10-23 Arrived at the scene. 10-24 Assignment complete. 10-25 Meet _____. 10-26 Estimated time of arrival is _____. 10-30 Use caution. 10-31 Pick up. 10-33 Emergency traffic. Clear the channel. 10-34 What time is it? 10-41 Switch to Channel xx. 10-62 Cannot understand. 31 21-1672.fm Page 32 Thursday, August 5, 1999 12:04 PM CARE Your Radio Shack TRC-232 4-Watt 40-Channel CB WalkieTalkie is an example of superior design and craftsmanship. The following suggestions will help you care for the CB radio so you can enjoy it for years. • Keep the walkie-talkie dry. If it gets wet, wipe it dry immediately. Liquids can contain minerals that can corrode the electronic circuits. • Handle the walkie-talkie gently and carefully. Dropping it can damage circuit boards and cases and can cause the walkie-talkie to work improperly. • Use and store the walkie-talkie in normal temperature environments. Temperature extremes can shorten the life of electronic devices, damage batteries, and distort or melt plastic parts. • Keep the walkie-talkie away from dust and dirt, which can cause premature wear of parts. • Wipe the walkie-talkie with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the walkie-talkie. Modifying or tampering with the CB radio’s internal components can cause a malfunction and might invalidate the CB radio’s warranty and void your FCC authorization to operate it. If your CB radio is not performing as it should, take it to your local Radio Shack store for assistance. 32 21-1672.fm Page 33 Thursday, August 5, 1999 12:04 PM FCC INFORMATION The Federal Communications Commission (FCC) does not require you to have a license to operate this CB radio. However, you must know Part 95 of FCC Rules. It explains the proper operation of a Class D citizens band transceiver. We enclosed a copy of Part 95 with your CB radio. Warning: Do not open the CB radio to make any internal adjustments. A CB radio is set up to transmit a regulated signal on an assigned frequency. It is against the law to alter or adjust the settings inside the unit to exceed these limitations. Any adjustments to a CB radio must be made by a qualified technician using the proper test equipment. To be safe and sure: 1. Never open your CB radio’s case. 2. Never change or replace anything in your CB radio. Your CB radio might cause TV or radio interference even when it is operating properly. To determine whether your CB radio is causing the interference, turn off your CB radio. If the interference goes away, your CB radio is causing the interference. Try to eliminate the interference by: • Moving your CB radio away from the receiver • Contacting your local Radio Shack store for help 33 21-1672.fm Page 34 Thursday, August 5, 1999 12:04 PM This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. REPLACING THE DC CAR ADAPTER FUSE The DC car adapter has a 32V 2-amp fuse in the cigarette lighter plug. When replacement is required, use a slow-blow glass fuse, such as Cat. No. 270-1023. 1. Turn the cap on the adapter plug counterclockwise to unscrew it from the plug body. 2. Remove the old fuse and inspect its condition. If it is “blown” and requires replacement, insert a new 2-amp fuse. If it is not “blown,” reinsert it. 3. Replace the spring, the terminal, and the cap and screw the cap in tightly. 34 21-1672.fm Page 35 Thursday, August 5, 1999 12:04 PM SPECIFICATIONS RECEIVER Frequency Coverage ................................ 26.965–27.405 MHz Sensitivity ......................................... 0.7 mV for 10dB (S+N)/N Adjacent Channel Rejection ............................................ 65 dB Audio Distortion at 1 kHz .................................. Less than 10% at 0.6 watts output (8 ohm) Intermediate Frequency: 1st ................................................................... 10.695 MHz 2nd ...................................................................... 455 KHz Current Drain: At Standby ............................................................... 25 mA At Maximum .......................................................... 400 mA TRANSMITTER Frequency Coverage ................................ 26.965–27.405 MHz Power Input: HI Position .............................................................. 4 watts LOW Position ...................................................... 1.3 watts Power Output: HI Position ........................................................... 3.4 watts LOW Position ......................................................... 1 watts Modulation ................................................................... 80–95% Spurious Output .............................................. –60 dB or better Type of Emission ............................................................... A3E 35 21-1672.fm Page 36 Thursday, August 5, 1999 12:04 PM Frequency Tolerance ................................................. 0.002% Current Drain (with modulation): HI Position ........................................................ 1000 mA LOW Position ..................................................... 800 mA GENERAL Power Requirements ........................................... 12 volts DC Speaker ...................................................... 11/4 Inch (3.2 cm) Permanent Magnet Dynamic Type Microphone ........................ Built-In Electret-Condenser Type with FET Amplifier External Microphone Jack .............................. Sub Mini Type External Speaker Jack ................................... Miniature Type Operating Temperature ..................... 0°–140°F (–18°–60°C) Size (HWD) With Nickel-Cadmium Battery Case .............................. 6 3/8 × 21/2 × 11/2 Inches (169 × 63 × 39 mm) With Alkaline Battery Case ......... 5 1/4 × 21/2 × 11/2 Inches (146 × 63 × 39 mm) With DC Adapter Cord .................. 5 × 21/2 × 11/2 Inches (127 × 63 × 39 mm) Weight With Nickel-Cadmium Battery Case ....... 10.7 oz (300 g) With Alkaline Battery Case ..................... 10.3 oz (290 g) With DC Adapter Cord ........................... 14.6 oz (410 g) Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice. 36 21-1672.fm Page 37 Thursday, August 5, 1999 12:04 PM NOTES 37 21-1672.fm Page 38 Thursday, August 5, 1999 12:04 PM 38 21-1672.fm Page 39 Thursday, August 5, 1999 12:04 PM 39 21-1672.fm Page 40 Thursday, August 5, 1999 12:04 PM RADIO SHACK LIMITED WARRANTY This product is warranted against defects for 90 days from date of purchase from Radio Shack company-owned stores and authorized Radio Shack franchisees and dealers. Within this period, we will repair it without charge for parts and labor. Simply bring your Radio Shack sales slip as proof of purchase date to any Radio Shack store. Warranty does not cover transportation costs. Nor does it cover a product subjected to misuse or accidental damage. EXCEPT AS PROVIDED HEREIN, RADIO SHACK MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. Some states do not permit limitation or exclusion of implied warranties; therefore, the aforesaid limitation(s) or exclusion(s) may not apply to the purchaser. This warranty gives you specific legal rights and you may also have other rights which vary from state to state. We Service What We Sell 9/94 RADIO SHACK A Division of Tandy Corporation Fort Worth, Texas 76102 1A7 Printed in Korea
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