HP Video Game Keyboard 00974-90002 User's Manual
Contents
1. Step Function Range Input Signal Ad RR T eed 17 48 000 V 10 kHz C3 20 270 18 50V 48 000 V 100 kHz 1740 19 V 48 000 V 200 Hz 270 20 500 mV 480 00 mV 10 kHz 366 21 750 V 750 0 V 200 Hz 105 22 EE Short zero adjust 1 23 480 00 Q 9 5 30 24 5 KO 4 8000 kQ 30 25 Q 50 kQ 48 000 kQ 30 26 500 kQ 480 00 kQ 30 27 5 MQ 4 8000 MQ 242 28 50 MQ 48 000 MQ cu 482 29 n Short 2 30 Eur 480 00 uA 146 31 50 mA 50 mA 48 000 mA 146 32 500 mA 40 mA 480 00 mA 146 33 10A 10A 10 000 A 10 10 72 34 v 500 pA 500 uA 480 00 uA 200 Hz 500 35 50 mA 50 mA 48 000 mA 200 Hz 500 36 v 500 mA 500 mA 480 00 mA 200 Hz 500 37 TV 10A 10A 10 00 A 200 Hz 120 38 o 500 Q 0 Q to 1500 Tone 100 Q 39 5V 1 000 V 102 40 Hz 5V 9 000 kHz 1 Vrms 5 Perform zero adjustment using C key 6 3 Replaceable Parts Accessories Refer to the disassembly diagram on page 6 5 Call out Description HP Part Number Fuse 500 mA 250 V fast blow Littlefuse 216 500 E BO NOT SUBSTITUTE 2110 0940 Fuse 15 A 600 V fast blow Littlefuse KLK15 LE DO NOT SUBSTITUTE 2110 0941 MP1 Top case assembly 00974 64401 MP2 Dust moisture seal 00971 64403 MP3 Bottom case assembly includes stand 00974 64402 Rubber Boot 00971 86001 Replacement Test Leads 2 pair E2305A Temperature probe 5 KQ Thermi2. Accuracy Range Resolution DC 20 Hz to DC 10 kHz to DC 30 kHzto DC 50 kHz to 10 kHz 30 kHz 50 kHZ 100 kHz EN 1mV 50 V 10 mV 196 30 1 2 40 2 5 70 3 5 300 500 V 100 mV 750 V 1 pc 24 218 kHz Not Specified Measurement range 500 mV to 500 V ranges 20 Hz to 30 kHz 5 to 100 of range 30 kHz to 100 kHz 750 V range 1096 to 10096 of range 75 V to 750 V Response time 2 seconds for AC 5 seconds for AC DC on fixed range Crest factor 3 Common Mode Rejection Ratio CMR 1 k Q imbalance gt 60 dB 9 DC to 60 Hz DC Current AC Current 40 Hz to 1 kHz 5 to 100 of range DC Current AC Current Input Maximum Range Resolution Accuracy Accuracy Resistance Input 500 uA 10 nA lt 1050 Q 50 mA 1 uA 0 3 2 12 Q 0 5 A fused E 0 3 2 1o 20 lt 500 mA 10 uA 2 50 10A 1 mA t 0 796 2 0 05 0 15 A fused Specifications Resistance Max Range Resolution Accuracy Test Current Open Circuit Voltage 500 2 10 mQ 0 06 2 5 V 5 0 kQ 100 ma en Sem 50 KO 10 0 06 2 lt 80 pA 500 KO 102 lt 15 pA pr 5 0 MQ 100 Q 0 596 1 1 5 pA 50 MO 1 KO t 1 096 2 lt 150 nA After zero adjust of input leads Zero adjust range up to 0 99 Q Response time 500 Q to 500 kQ lt 2 seconds 5 MQ to 50 MQ lt 1
3. The warranty gives you specific legal rights and you may also have other rights which vary from state to state province to province or country to country Service Hewlett Packard maintains service centers in many countries throughout the world You may have your unit repaired at a Hewlett Packard service center any time it needs service whether the unit is under warranty or not There is a charge for repairs after the warranty period Repair or replacement during the first 30 days after purchase will be provided by the sales channel After 30 days contact the nearest service office Hewlett Packard products normally are repaired and reshipped within five 5 working days of receipt at any service center This is an average time and could possibly vary depending upon the time of year and work load at the service center The total time you are without your unit will depend largely on the shipping time
4. to 18 C 28 C to 55 C General Do not expose product to moisture or rain Do not use product in flammable atmosphere Operating Temperature 0 to 40 C 80 RH max no condensation Storage Temperature 25 C to 60 C 20 to 70 C RH no condensation Display reading rate Approximately 2 4 times second Display rate for freq quency y Battery life Approximate measurements A 120 hours on DC pproximately 1 times second DC Voltage Range Resolution Accuracy Input Resistance 500 mV 10 uV gt 1000 MQ 5V 100 uV 11 MQ nominal 50 V 1 mV t 0 05 2 500 V 10 mV 10 MQ nominal 1000 V 100 mV Normal Mode Rejection Ratio NMR gt 60 dB 50 or 60 Hz Effective Common Mode Rejection Ratio CMR 1 kQ imbalance gt 120 dB 50 or 60 Hz AC Voltage RMS responding calibrated to display rms Accuracy Input Range Resolution 20 Hz to 50 Hz to 10 kHz to 30 kHz to 50 kHz to Impedance 50 Hz 10 kHz 30 kHz 50 kHZ 100 kHz nominal 500 mV 10 uV 0 796 30 296 50 Not Specified 11Mo 5V 100 uV lt 50 pF 1 30 50 V 1 mV 0 5 30 1 40 296 70 3 300 s Q 500 V 10 mV u lt 50 pF 750V 100 V t 196 30 20 Hz to 1 kHz Not Specified 1 17 Specifications AC DC Voltage rms responding computed from acV dcV
5. 0 seconds Continuity Measurement Current 0 8 mA maximum Open circuit voltage 5 5 Vpeak Displayed resistance 0 O to 499 99 Q Input protection 500 Vrms sinewave Alarm Tone when input lt 100 Q 50 O Resolution 10 mQ 100 mSec response time Diode Measurement current 1 0 mA nominal 9 0 6 V Open circuit voltage lt 5 5 Vpeak Displayed Voltage 0 V to 4 999 V Input protection 500 Vrms sinewave Accuracy 196 2 Resolution 100 pV Frequency AC Coupled Frequency Range Resolution Accuracy Input Voltage rms 10 Hz to 99 99 Hz 0 01 Hz 90 Hz to 999 0 Hz 0 1 Hz 0 45 mV to 500 V 900 Hz to 9 999 Hz 1 Hz 0 05 1 9 00 kHz to 99 99 kHz 10 Hz V to 100 V 90 kHz to 200 kHz 100 Hz 1 5 V to 100 V Specifications Temperature 5 kQ 25 C Thermistor probe C oF Measurement Range 80 to 150 112 to 302 Resolution 0 1 0 1 Accuracy 0 2 0 4 1 Accuracy does not include 5 k Q Thermistor error dBm 600 O 1 mW reference rms responding computed from AC Voltage Accuracy Input dBm Input Voltage 20Hzto 10kHzto 30 kHz to 50 kHz to 10 kHz 30 kHz 50 kHz 100 kHz 29 82 dBm to 25mVto50mV 0 2dBm 0 50 dBm 23 80 dBm to Not specified 3 80 dBm 50 mV to 499 99 mV 0 15dBm 0 30 dBm E 0 5 V to 450 00 V 0 10 dBm 0 20 dBm 0 5 dBm 1 00 dBm 5
6. 5 28 dBm to t 0 15 dBm m 59 72 dBm 450 V to 750 V to kHz Not specified Dynamic range 59 94 dBm to 59 72 dBm 0 8 mV to 750 V Accuracy not specified below 29 82 dBm 25 mV Display reads OL overload outside dynamic range 1 20 Adjustments 6 1 Calibration Table CAUTION A Dangerous voltages are present during the calibration procedure Calibration should only be 6 2 performed by qualified service technicians using a non conductive tool Step Function Range Input Signal Ad S aldie 1 Short m t2 2 500 mV 500 mV 480 0 mV 1 2 26 3 480 0 mV 26 4 48 000 V 2 2 26 5 er 48 000 V 26 6 zi 5V 4 800 V 3 42 26 7 500 V 480 00 V RV4 2 26 8 1000 V 1000 V RV5 1 7 9 US Bi 4 8000 V 200 Hz 6 10 270 10 0 2500 V 200 Hz 7 55 42 11 500 mV 480 0 mV 200 Hz 8 10 366 12 480 00 V 10 kHz C1 20 270 13 zx 500 V 480 00 V 100 kHz 1740 14 480 00 V 200 Hz 270 15 5V 4 8000 V 10 kHz C2 20 270 16 4 8000 V 100 kHz 1740 Repeat steps 9 and 10 Calibration Table
7. HP 974A Multimeter User s Guide Part Number 00974 90002 March 1995 Copyright Hewlett Packard Company 1994 1995 All Rights Reserved MULTIMETER 974A POWER Autor range sect AUTO POWER OFF J d d id N Soma SCOMA uu 500 A EU Hz Hz V dBm 4 Open Shutter NS A 7 4 JV HP 974A Multimeter Table of Contents Safety Summary Safety Symbols Maximum Overvoltage Limitations Probes and Test Leads Operation A no ius Ego LI Terminals Shutter amp Test Leads Function Switch Function Keys Function Keys Function Switch Matrix Display Audio Calibration and Adjustment Required Test Equipment Calibration Procedure Maintenance Battery Replacement Fuse Replacement Troubleshooting Cleaning Replaceable Parts Accessories Specifications 1 17 General 14 a0 eee rz gur
8. ark accordingly Loveland Colorado April 1 1994 po ih Jim White QA Manager European Contact Your local Hewlett Packard Sales and Service Office or Hewlett Packard GmbH Department ZQ Standards Europe Herrenberger StraBe 130 D 71034 B blingen FAX 49 7031 143143 Warranty Service Limited 3 Year Warranty What is Covered The HP 974A Multimeter is warranted by Hewlett Packard against defects in materials and workmanship for three years from the date of original purchase If you sell your unit or give it as a gift the warranty is automatically transferred to the new owner and remains in effect for the original three year period During the warranty period we will repair or at our option replace at no charge a product that proves to be defective provided you return the product shipping prepaid to a Hewlett Packard service center What is Not Covered This warranty does not apply if the product has been damaged by accident of misuse or as the result of service or modification by other than an authorized Hewlett Packard service center No other express warranty is given The repair or replacement of a product is your exclusive remedy ANY OTHER IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS IS LIMITED TO THE THREE YEAR DURATION OF THIS WRITTEN WARRANTY Some states provinces or countries do not allow the exclusion or limitation or incidental or consequential damages so the above limitation or exclusion may not apply to you
9. asurement Each measured value relative to Range the reference the reference value difference 9 Each measured value as a Calculates the percentage change percent change of the reference Range value Ge Cancels the Relative function Measurement value Range Perform a zero adjust when using the 500 O range and displayed value is less than 99 by shorting the test leads and pressing this key Cycle power to erase the stored zero adjustment 1 9 Operation Minimum Maximum Press 1 Action Main Display Secondary Display Begin recording of min max and avg values Each measured value Elapsed time KY Display recorded maximum Maximum measurement Time of Maximum Display recorded minimum Minimum measurement Time of Minimum Display recorded average Calculated average Elapsed time Display last recorded measurement Latest measurement Elapsed time f zi Pause recording of minimum and HESH i euela Last measured value Total elapsed time Guid Resume recording of minimum and Each measured value Elapsed time maximum values Press and hold 1 second to cancel 1 Automatic power off is disabled when Min Max is selected Time is recorded and displayed in minutes and seconds up to 99 59 After 99 59 time is recorded and displayed in minutes up to the maximum recording time of 1999 minutes Recording will stop
10. at the maximum time Average is computed from all readings during elapsed time Average Action Main Display Secondary Display Makes the displayed measurement the Average value of last eight Range average of the last eight measurements measurements 9 Disables the averaging of measurements Each measurement Range Operation Hold Auto Hold Action Main Display Secondary Display Holds the measurement value in the Measurement value when Ranae display hold pressed 9 Enters Auto Hold function Input value Range Cancels Hold function Measurement value Range 1 Auto Hold Operation When measurement becomes stable multimeter will beep and save the stable reading Removing probe from measurement circuit will display and hold the last stable reading Range Press Action Main Display Secondary Display Changes from SRU to manual Measurement value Range ging Change Haizea once with Measurement value Range j Returns to auto ranging When key is held Measurement value Range When upper range is reached the sequence begins again at the lowest range Select E N L Select Press this key to use the functions indicated in yellow on the multimeter See table on page 1 8 Hold this key to test display when turning meter on Operation Function Keys and Function Switch Matrix 9 Function Relative Parton Min M
11. ax Average Data Hold Auto Hold Range pA mA 10A e e v LA mA 10A e e e e e e e e P e e e e e e e D e e e e e e e e e e e e e e e e e e e e e e e e Invokes zero adjust when display is less than 99 Changes input attenuator frequency is always auto range d Secondary display shows elapsed ime in seconds and minutes Operation Display 4 Low Battery indicator ER Replace batteries when on BEE pad ekoi AR Secondary Display Shows Range most functions Main Display n ED n E except for Not all annunciators shown 0 im Hp AN Elapsed time Min Max Number of digits is set by range and function en Displays O L to indicate an overload condition Entire display flashes if input overvoltage E Audio EN Sca ce Power on BEEP EE RE e BEEP CS First beep at power on _ Second beep when beginning to make measurements CH Single beep BEEP D Indicates any valid function key press Indicates a new High or Low value recorded when in Min Max function gt Cael gt Q gt Steady repeating beep N Indicates when measurement is steady when using Auto Hold function eis Rapid repeating beeps IN Indicates wrong input terminals used for function selected Indicates an overload condition at the measurement terminals Continuous tone Indicates a resistance of lt 100 Q when using the Continuity function E Auto Pow
12. before calibration Replace both batteries at the same time Use high quality type AA alkaline IEC LR6 batteries Remove the batteries if the multimeter is to be stored for extended periods of time Refer to the disassembly drawing on page 6 5 Fuse Replacement Fuse locations are shown in the diagram on page 6 5 Fuses are listed in the replaceable part list on page 6 4 CAUTION For continued protection use only the specified manufacturers part number or HP part number fuse for replacement purposes Maintenance Troubleshooting Problem Possible Cause Suggested Action Unit won t turn on Dead Batteries Replace batteries Unit won t turn off Input limit exceeded Remove test leads and press any key to reset Display flashes and Rapid beeps Input limit exceeded Remove test leads and press any key to reset Battery Annunciator on Low battery voltage Replace batteries Unable to measure current 10 or mA LA Blown input protection fuse Replace fuse s Cleaning Wipe instrument with a soft rag dampened with soap and water Do not immerse in water Do not use chemical cleansers or solvents Replaceable Parts Accessories Refer to the disassembly diagram on page 6 5 Specifications Calibration period six months minimum Specifications apply at 23 C 5 C lt 80 RH Accuracy t 96 of reading number of digits Temperature Coefficient Accuracy 0 1 C 0 C
13. e rn 1 17 DC Voltage 1 17 AC Voltage 1 17 AC DC Voltage 1 18 DC Current AC Current 1 18 R sistance tue sr a moy 1 19 Continuity ur 2a ave wore nt des 1 19 Diode S guta due d dtu dg biaz ned 1 19 Frequency AC Coupled 1 19 Temperature 1 20 dB uh Ae dukia ence Eur 1 20 Adjustments 6 1 Calibration Table 6 2 Replaceable Parts Accessories 6 4 Disassembly 6 5 Declaration of Conformity 1 3 Safety Summary The CAUTIONS and WARNINGS which appear on the following pages must be followed to ensure operator safety and to retain the operating condition of the Multimeter 1 Do not use this product beyond its specifications or for uses not intended for this product as identified by the product functions ranges and hazards as indicted below 2 To minimize possible electric shock hazard condition connect only two leads at any one time to any of the multimeter terminals 3 To prevent possible electric shock hazard condition when using the current function do not leave one probe connected to the circuit under test and the other probe disconnected exposed and readily accessible touchable Safety Symbols Indicates the operator must refer to an explanation in this manual h Indicates terminals at which dangerous voltages may exist WARNING TO AVOID ELECTRICAL SHOCK or da
14. er Off lt gt Zur er gt 00 Pairs of beeps for 30 seconds LA Long beep just before power off Cancel by changing function switch position or pressing any key 1 13 Calibration and Adjustment Required Test Equipment The source used for the calibration should have an output accuracy as good or better than that listed in the specifications Calibration Procedure Environmental range for calibration 23 C 5 C lt 80 RH Calibration interval 6 Months 1 Disconnect all inputs from the multimeter and open the case as described on page 6 5 2 Install new batteries described below and close the cover Turn the multimeter on and allow a 30 minute warm up Open the case 3 Setthe multimeter function and range and the source output to the values specified at each step in the calibration table on page 6 2 4 When appropriate make the adjustments indicated in the calibration table to bring the multimeter display within the limits CAUTION Dangerous voltages are present during the calibration procedure Calibration should only be performed by qualified service technicians Use a non conductive adjustment tool Maintenance Operator protection from electric shock hazard is provided by a double insulated enclosure Refer to pages 1 4 and 1 5 for maximum voltage specifications When servicing use only specified replacement parts Battery Replacement Replace the battery when the symbol appears in the display or
15. mage to the multimeter do not apply more than 1000 Vdc or 1000 Vrms between any terminal and earth ground Use caution when working with voltages above 60 Vdc or 42 Vpeak Ensure test leads are in good condition WARNING POSSIBLE ELECTRICAL SHOCK Do not make measurements if the case is damaged or the rear cover is removed Remove all electrical inputs before removing the rear cover WARNING POSSIBLE ELECTRICAL SHOCK or FIRE HAZARD Do not expose this multimeter to rain or moisture Do not operate the multimeter in the presence of flammable gases or fumes Safety Summary WARNING POSSIBLE ELECTRICAL SHOCK Calibration and performance tests are to be performed by qualified personnel only Do not attempt calibration or test procedures unless qualified to do so CAUTION To avoid damage to the multimeter for inputs above 250 Vdc or Vac disconnect the test leads before changing functions Do not exceed the maximum input limits Maximum Overvoltage Limitations AC and DC Voltage Functions 1000V MAX indicates the maximum voltage between input terminals and earth is 1000 V dc or ac rms Do not use the multimeter on any ACV circuit where the maximum impulse overvoltage may be more than 4000Vpk or any DCV circuit where the maximum impulse overvoltage may be more than 2500Vpk between the COM and VOLT terminals Excessive impulse overvoltage can damage the multimeter voltage functions Do not measure branch circuits CAT 11 o
16. nts 0 A to 10 A Sa Ane BLACK LEAD urrent Measurements COMMON 0 to 400 mA ALL Measurements Operation Function Switch 2 Switch ER zur fury Position Display Select J C J 10A DC Current AC Current 1 mA to 10 A 1 mA to 10 A DC Current AC Current 500 mA 10 uA to 0 5 A 10 uA to 0 5 A 50 mA DC Current AC Current 1 LA to 0 05 A 1 LA to 0 05 A 500 uA DC Current AC Current V 1 0 01 uA to 0 5 mA 0 01 uA to 0 5 mA Diode Test Auto Diode Test Q Resistance oj Continuity Temperature in F Temperature in C 0 01 Q to 50 MQ aan at lt 100 Q 112 F to 302 F 80 C to 150 C mV DC Millivolts m 10 uV to 500 mV DC Volts AC DC Volts 100 uV to 1000 V 1 mV to 750 V y AC Volts Frequency 1 mV to 750 V 10 Hz to 200 kHz du AZA and Volts o 200 kHz dBm 59 94 dBm to 62 22 dBm 1 Voltage and frequency readings alternate on display Operation Function Keys 3 Power Automatic power off after 30 minutes Alarm sounds 30 seconds before automatic power off Press any key or change any function to cancel automatic power off Defeat automatic power off by holding 0060 key for 2 seconds while applying power fin Max d NS E Ee E m Relative Percent Press Action Main Display Secondary Display Makes the displayed me
17. stor E2308A Surface temperature sensor Thermistor 0 1 C 40653B 12 lead requires dual banana plug Soft Case fits meter with rubber boot E2304A Operator protection from electric shock hazard is provided by a double insulated enclosure Refer to the Safety Summary for maximum voltage specifications When servicing use only specified replacement parts 6 4 Replaceable Parts Accessories Disassembly WARNING Always disconnect the test leads before opening the case DECLARATION OF CONFORMITY according to ISO IEC Guide 22 and EN 45014 Manufacturer s Name Hewlett Packard Company Personal Measurements Operation Manufacturer s Address 815 14th Street S W Loveland Colorado 80537 U S A declares that the products Product Name Handheld Multimeter Model Number HP 971A HP 972A HP 973A HP 974A Product Options None conforms to the following Product Specifications 1990 Incl Amend 1 1992 EN61010 1993 010 1 1992 Safety IEC 1010 01 CSA C22 2 1 UL 1244 EMC CISPR 11 1990 EN55011 1991 Group 1 Class A IEC801 2 1991 EN50082 1 1992 4 kV CD 8 kV AD IEC 801 3 1984 EN50082 1 1992 3 V m 160 801 4 1988 EN50082 1 1992 0 5 kV Signal Lines Supplemental Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC amended by 93 68 EEC inclusive 93 68 EEC and carries the CE m
18. ver 600V to earth or service panel circuits CAT Ill over 300V to earth 1 5 1 6 Safety Summary Function Maximum Operating Input Tb IOA 10 A dc or ac rms 600 V v mA or pA 500 mA dc or ac rms 250 V Resistance Diode Test Temperature Continuity 500 V dc or ac rms Frequency 10 Hz to 9 999 kHz 500 Vrms 9 kHz to 200 kHz 100 Vrms The V 1000 Vdc or 750 Vrms Probes and Test Leads 1 Always inspect probes before use Do not use test leads whose insulation has cuts cracks or other damage that may result in reduced electric shock protection 2 Keep insulation surface clean between the probe tip connector and the finger guards 3 If probes other than the ones specified are to be used with the multimeter be sure the probes and their leads are rated for the voltage and current to which they will be subjected Do not exceed the voltage ratings for the multimeter 4 Probes supplied with this multimeter are rated for use up to 1000Vrms or Vdc Operation 1 Terminals Shutter amp Test Leads SAFETY SHUTTER TT T Slide up to open shutters for current measurement EI function switch in one of the Current Measurement Close shutter to change function switch to any inputs Must have the positions to open shutter other measurement function Diode Resistance RED LEAD Frequency Temperature dBm Current Measurements and Continuity Measureme
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