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 1 thursday, august 5, 1999 12:04 pm.
2 features your radio shack trc-232 4-watt 40-channel cb walkie- talkie 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...
3 built-in, ceramic filters — ensure superior selectivity and free- dom from adjacent-channel interference. Automatic modulation control — ensures a constant rf mod- ulation level. Automatic gain control — maintains a constant volume level, regardless of the signal strength. Automatic noise limiter ...
4 contents preparation ............................................................................ 6 connecting an antenna ................................................... 6 power sources ................................................................. 8 using alkaline batteries ..................
5 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-...
6 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 bat...
7 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 c...
8 follow these steps to install batteries in the alkaline battery case. 1. If the alkaline battery case is connected to the walkie- talkie, 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...
9 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 di...
10 follow these steps to install batteries in the rechargeable battery case. 1. If the rechargeable battery case is connected to the walkie- talkie, 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 bat...
11 • 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 materi- als, such as rings, bracelets, and keys. The batteries or conductor might overheat and burn...
12 uncap the power jack cover on the battery case, attach the adapter plug to the adapter, insert the adapter plug into the pow- er jack, then plug the charger into a standard ac outlet. Warning: never try to recharge alkaline or other non- rechargeable batteries. Charging non-rechargeable batteries...
13 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 con- necto...
14 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 proper...
15 using ac power you can operate the walkie-talkie from ac power using the sup- plied 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 wal...
16 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 i...
17 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 speake...
18 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 stra...
19 operation before you use your walkie-talkie, you should know how to use it effectively and courteously. “operational hints” contains infor- mation that will help you get more enjoyment from your walkie- talkie. Receiving transmissions and adjusting squelch 1. Turn squelch fully counterclockwise. ...
20 3. Press up or dwn until the desired channel appears on the display. As you receive signals, the signal meter on the dis- play shows the incoming signal strength. Important! Channel 9 is reserved for motorist assistance and for reporting emergency information about accidents, hazardous road condi...
21 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 n...
22 4. Press h/l to set the output power to low power, if neces- sary. Low appears on the display. Use this mode to trans- mit 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 th...
23 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. 21-1672.Fm page 23 thursday, august 5, 1999 12:04 pm.
24 scanning incoming signals to scan incoming signals, press scan . Scan appears on the display, and the walkie-talkie stops for 5 seconds on each chan- nel where there is a transmission. Press scan again to stop au- tomatic scanning. Scan disappears from the display. Alternating between two channel...
25 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 (...
26 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 f...
27 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 assistanc...
28 • 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 t...
29 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 an...
30 this table lists codes adopted by the associated public safety communications officers (apco). Code 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...
31 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 u...
32 care your radio shack trc-232 4-watt 40-channel cb walkie- talkie 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 immedi- ately. Liquids can c...
33 fcc information the federal communications commission (fcc) does not re- quire you to have a license to operate this cb radio. However, you must know part 95 of fcc rules . It explains the proper op- eration of a class d citizens band transceiver. We enclosed a copy of part 95 with your cb radio....
34 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, includ- ing interference that may cause undesired operation. Replacing the dc car adapter...
35 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 ........................
36 frequency tolerance ................................................. 0.002% current drain (with modulation): hi position ........................................................ 1000 ma low position ..................................................... 800 ma general power requirements ............
37 notes 21-1672.Fm page 37 thursday, august 5, 1999 12:04 pm.
38 21-1672.Fm page 38 thursday, august 5, 1999 12:04 pm.
39 21-1672.Fm page 39 thursday, august 5, 1999 12:04 pm.
Radio shack a division of tandy corporation fort worth, texas 76102 1a7 printed in korea radio shack limited warranty this product is warranted against defects for 90 days from date of purchase from radio shack company-owned stores and autho- rized radio shack franchisees and dealers. Within this pe...
