Uniden XS 910 User Manual

4.111Ligiaki MARCH 1986 $1.95 CANADA S2,50 THE MAGAZINE FOR ELECTRONICS (3 COMPUTER ENTHUSIASTS Dn s_ Te: F S B N') S cc L r_ C Ace 2200 Compute

Move up to a high paying And you can start by actually building your own 16 -bit IBM -compatible computer! You can create your own bright, high payi

career servicing computers. fine tune your computer skills. And you also get over $1,000 worth of software, including WordStar and CalcStar. Learn to

iunrw PRODUCTS IN For more information on products described, please circle the appropri- ate number on the Free Information Card bound into this is

In addition to recharging batteries, the Charge It can be used as a port- able power supply for any appliance that runs on 12 volts dc. Each unit

X1111' PRODUCT EVALUATIONS IIIIIIIIIIM Franklin Ace 2200 Computer: A cross between the Ile and IIc with an IBM -style keyboard No matter what m

Super Disk Diskettes Now... Diskettes you can swear by, not swear at. Lucky for you, the diskette buyer, there are many diskette brands to choose from

PRODUCT EVALUATIONS ... Franklin Ace 2200 continued .. . mounted in the main unit. To avoid any heating problems, there is a built -in fan (which giv

Ace 2200 Details Name: Ace 2200 Manufacturer: Franklin Computer, Route 73 Haddonfield Rd., Pennsauken, NJ 08110 (609) 488-0666 Microprocessor: 65SCO

PRODUCT EVALUATIONS ... Franklin Ace 2200 continued .. . 11 of the bankruptcy law. It has obviously reorganized and emerged from it with the financial

TAPE DIRECTION CUE TRACK (0.6mo) GUARD BAND (O.Imm) VIDEO TRACK CENTER (4.46Imn) GUARD BAND (D.Imn) NTSC:.'U.Sum VIDEO FM AUDIO TRACKING SIGNA

.(i;ìrrc °` RIr rr tilp... , R-2000 00o N,,1 M -mode receiver. Covers 150 kHz 30 MHz in 30 bands. All mode: USB, LSB, CW, AM, FM. Digital VFO&ap

CIE MAKES THE WORLD OF ELECTRONICS YOURS. oday's world is the world of electronics. To be part of it, you need the right kind of training, the ki

Technology Telephones and Their Repair Part I How telephones work and how you can troubleshoot and correct most common problems By TJ Byers With t

Mews March 1986 nominally 30 mA but can vary from 20 to 80 mA. When you lift your phone's hand- set, a switch inside the instrument closes

An Inespensise Line Tester Red Green 2.7K Tricolor LED MARKED CATHODE A simple line tester can be made using a single resistor and a tricolor LED (t

Red Green Fig. 3. Use a multimeter and capacitor to measure ring voltage. here -a misdiagnosed problem could cost you a service call. The best met

Technology The Ni -Cd Battery Myths and mastery of nickel -cadmium rechargeable batteries are explored By Anthony J. Caristi More and more househol

"Ni -Cds can deliver an awesome short -circuit current." idle. This loss in charge is heavily de- pendent upon ambient temperature . . .

"A cell may be shorted, but perhaps not permanently." + Switch + Charged cell Shorted cell Optional voltmeter 117V ac II Diodes IT+F N40400

Voltage Nominal No. of Cells Charging Current 1.2 I 50 mA 120 mA 400 mA 85 fi 4012 13 i2 2.4 2 80 f1 37 it 1 1 0 4.8 3 75 ft 32 ft 9it Fi

Which Way To YOUR Future? Are you at a crossroads in your career? Have you really thought about it? Are you planning for your future, or perhaps r

Famous Smith Corona National Brand 1 0" PRINTER SAL E Below Wholesale Cost Prices!!! ONE YEAR IMMEDIATE REPLACEMENT WARRANTY Speed: 120 or 160 c

TrOMMODORE 64 COMPUTER (Order Now) (Order Now) $139 95 C128 Disks 79' ea.* Paperback Writer 64 $34.95 10" Comstar 10X Printer $148.00 13&qu

Computer Project 64K Printer Buffer for $50 The "Bufferette" project described here can free your computer for other tasks as a document is

L.: 9 Or el- . ././//:/// < 1. N :1' :1' \\\\AN ! -' < LL 1-14. > x 3 »mum j mini mire RI I X 4 W4-1 rr - .1(

R18 1K DO D1 02 03 04 05 D6 07 18 17 14 IC25 17 74LS 8 373 3 7 10 Q1 (10)4MPS5 1 7 2 ID01 1 ID11 1D3) 7 a 2 1071 41061 /nn.- R17 1K x150 a D01 1 9

3 1 program control. This IC latches the data bus to the second printer. Trans- istor QI inverts the latch -enable strobe from IC23. Power -up rese

214 -234 -8116 ELECTRONIC SURPLUS SPECIALS 214 -234 -8105 TI 99 -4A SURPLUS RADIO -SHACK COMPUTER SURPLUS COMPUTER CHESS GAME BUILD YOUR OWN EPROM

Project A Wireless TV Audio Mute This one -button project mutes the sound of any TV receiver that does not have wireless remote - control facilities B

C2 l. .l (:, lpF T I,,F C4 01NF' ICI 5 567 +5V 0 P1 Audio input R1 Cl from radio 1K 1pF D1 D2 1N4148 = 1N4148 NSIDE TV RECEIVER X Break here

FirmoDERN THE MAGAZINE FOR ELECTRONICS d COMPUTER ENTHUSIASTS MARCH 1986 34 00000 00000 00000 0000 000 000 00000 00000 00000 00000 00000 00000 00 00 0

an easychair. A magnetic -type switch is recommended for S/ to assure long operating life and positive closure. Ordinary spring- contact switches wi

o Fig. 4. Shown here are the actual -size etching- guide (left) and components -placement diagram (right) for the decoder. When the set's spea

Dont Miss Our New 1986 CATALOG! Available in April. See Coupon Below to Reserve Your Copy. 148 Pages Dick Smith Security Center n11E1 r haw you S 5

TAKF ADUANTAGF Build this Low -Cost Decoder and SAVE A FORTUNE! LCalnl.eTexT -TV1] DIE fPECIIETy I11164211E VIZI111 .T. We 1ffE',., ,- Fí . If --

Construction Project Build a Coco Testlab Part 2 (Conclusion) Use a Radio Shack Color Computer to test ICs, transistors, diodes and capacitors By Ji

IL 1ESf FHUbHNMMINC, SHEET IL 1 vpe 71101 &t Aó_dt-¡,uRT 4aD a t Number of pins N V- = pin 7 V. = p 7 Input pins 42,145; 9, /0, la, S

$*$$$*Stat IC TESI FNOGNAMMING SHEET (Page / of / i IC Type yo/7 CMOS Dena*. CowuTE:e. Number of pins /V V- = pin Er Vf. = pin Input pins_ /J;

BASIC Listing For IC Tester Program I REM tt IC TESTER (IC) 2 REM tt V1 :O, 17 AUG 1985 3 REM tt (C) 1985, B&B T.C. 4 REM tt AUTO T

450 PRINT 596. "TESTING. STEP:" :PRINT " " IN = 0 460 FUR I = I TU b :IF MID' (1)0,1.1) - "V" THEN N =

would be revised to read R(1) = 9.98, R(2) = 0.325 and C(1) = 18. Save the revised program. Measuring Capacitance With the Testlab plugged into t

e-Radle $haek Parts Plaee_1 THE BUILDER'S STORE! OVER 1000 COMPONENTS IN STOCK! Just a Sample of Our Unique Electronics !r 1 2 3 4 (1) DC Hobby

Construction Project Build a Tuneable Field-Strength Meter Lets you quickly check how much relative r-f signal is being radiated between 3 and 30 MHz

"The nice part is that it's self-powered." (Cl 365pF M1 - See text L1, L2 = See taxt PARTS LIST d1- 365 -pF miniature Polyvaricon ca-

"Tensilize wire before winding the coils." Coil L2 is finished by sliding it off the wood form and then bending the leads axially. knob, an

"...a handy r-f meter that's virtually impossible to purchase." -11 4 While parts layout is not fussy, mounting of individual compo

! NOTEBOOK 11111111M11 How to Assemble Miniature Circuits By Forrest M. Mims III Since I began building transistor radios in the mid- 1950s, I&apo

all- plastic cases that includes internal slots for circuit boards. Catalog number 270 -291 is a somewhat larger enclosure that comes with a pc bo

ELECTRONICS NOTEBOOK .. . SWITCH CoNTACTF LOCkING PIN S W ITCH Mtr+IATURE SI.I DE S1NTCH ASS E MBLY BULKHEAD SET BATTERY COMPAPTME. r CIRcv iT COMPART

\151 + I ßM 7 V Rt 2.2M RL 22K LEO Y CL .o3iF Qt 1.41907 Q2 - 2N 22.11 NOTE: R2 2O JTEOLS PULSE RATE. Fig. 3. A simple miniature LED pulse transm

ELECTRONICS NOTEBOOK .1, erating precautions that apply to such las- ers. In my December 1985 column, I dis- cussed some of the safety precaution

llhIII HARDWARE HACKER Il/Ill1MEM Using pressure transducers, call progress detectors, adapting surplus drives, electronic halftone secrets By Don Lan

IIIiiEDITORIAL l Enormous research and development efforts in the electronics field continually produce new product shoots from its seeds. Some o

HARDWARE HACKER .. . From phone earpiece +5V 470 K m0m00mm0 45V OUT 0E ENV 01 02 03 VLD NE5900 (top view) IN1 REF XTL XTL IST CLR CNT GND 00

make it simple and cheap enough, there is a big market out there waiting for you. What is a call progress detector? When most people make a telephon

HARDWARE HACKER NAMES AND NUMBERS Addison Weseley Microcomputer Books Reading, MA 01867 (800) 238 -3801 Motorola Box 20912 Phoenix, AZ 85036 (602)

Digital Electronics by Byron W. Putman. (Prentice -Hall. Hard cover. 350 pages. $32.95.) There are dozens of books on digital electronics, but th

IIII PC PAPERS Il/Ill First Impressions: Bourbaki's ldir menu program; Symantec's Q&A integrated software; Tandy's Model 600 16-bi

\WORDPROC\NEWWORD Drive C Name Ext Size Statistics PREVIOUS DIR Disk Usage 4 BISCUIT 12672 12 User files E CONVERT EXE 1152 3284992 bytes

JAN CRVSTRLS SAVE MONEY! CALL FREE 1-800-237-3063 7 A.M. TO 5 P.M. MON =THURS (IN CONTINENTAL U.S EXCEPT FL) FOR ALL YOUR CRYSTAL S! NEED General Com

11111/ COMMUNICATIONS Il/Ill By Ed Noll, W3FQJ Modern scanners are complex pieces of electronic equipment. They cover a wide frequency range usin

coV Nrvl VICaraNs . . . Table 3. Sample Chart for Scanning on uhf TV Channels Assigned to Landmobile Services TV Channels Mobile Assignment 14 470 -

HANDS -ON BOOKS CMOS Cookbook TTL Cookbook TV Typewriter Cookbook Active Filter Cookbook Micro Cookbook vol I Micro Cookbook vol II Enhancing y

NEW! Lower Price Scanners Communications Electronics; the world's largest distributor of radio scanners. introduces new lower prices to celeb

1 FOCUS Ill!!'11111=1111 The Turbo Game Works Package By Art Salsberg Turbo GameWorks by Borland Interna- tional. /For IBM PC and famil and tru

are easy to make. The player has two choices. In one, which I prefer, you type the piece's first letter and the square it is to move to. F

NEIN PRoDucar5 (¡rom page 13) perhet X/K -band Road Alert 30 ra- dar detector is designed to minimize false triggering. Its features include: LED

64K Printer Buffer (from page 40) Install the fuse and rectifier diode in the locations labeled Fl and DI, respectively. Then install the resist

Data input from computer DIO Data output to printer 1 C100 Data to printer (optional) 000 output 2 STROBE 1 STROBE 1 1 STROBE 1311 012 1301 002 0

PRODUCT EVALUATIONS (f rain page 23) Sony's "Video 8" Camcorder continued .. . Fig. 2. Multiburst pattern oscillations visible to 2.5

PRODUCT EVALUATIONS .. .Sony's "Video 8" Camcorder continued .. . l-ig. 8. As this trace display reveals, the measured audio signal

Son Video 8 Camcorder I.ahoraton Analysis I oss -light scnsitisity Video response (maximum horizontal resolution) Vertical resolution Video S/N at

RECONDITIONED Test Equipment. $1.25 MODERN ELECTROMCS MART for catalog Walter's, 2697 Nickel, San Pablo, CA 94806, (415) 724 -0587. Classifie

0 1 211 10 TURN MULtl -TURN POT wir` 4 SPECTROL s MOD 5347161 6Q $5.00 EACH Star eSMB -06L 6 vdc TTL compatible $1.00 each 10 for WOO 12 Vdc or 24Vd

IIIIIIMODERN ELECTRONICS NEWS/IIIiI1111 THE BEAT DOESN'T GO ON. Greenwich Mean Time, the timekeeping standard in Great Britain since 1675, wil

vQtßQupi a SONGCoso P` á 1 059. 9 Op-- Mod 1 1 %-001 MSUm\tt`e. 4 No at;tc MoptCted\Pt\`all e 5 °tatti t9 otdets Pouts °\K oct P1t\u0 9\aYe ñe lot a

46-- /maim, CORPORATION 7-800-344-4539/ AK, P171711 Rico 218-681-6674 Telex - 62827914 TINX 9103508982 DIG! KEY CORP NATIONAL SEMICONDUCTOR PA

Build A CoCo Testlab (from page 53) Testlab's ZIF socket and the other end into the breadboard. This gives you access to all 16 ZIF socket

THE FIRST NAME IN ELECTRONIC TEST GEAR $30°° i OFF Save $30 on the lteff+O tttl 1 "1e1 Oscilloscope e. Po Unsurpassed quality at an unbeatable p

ra. The First Full- Featured System Designed for Easy Do-It- Yourself Installation 9452') Radio Shack's new Home Satellite TV System bring

CABLE -TV BONANZA! ITEM SINGLE UNIT PRICE DEALER 10 -UNIT PRICE RCA 36 CHANNEL CONVERTER (CH. 3 OUTPUT ONLY) 29.95 18.00 ea. PIONEER WIRELESS CONVERTE