EMO CABLE TESTER E447 INSTRUCTIONS FOR
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1. 2 CONTINUITY 3 Oo e o e oO 2 ee oO 0 l 2 3 2 3 2 3 CROSS WIRE 1 2 CROSS WIRE 2 1 CROSS WIRE 3 1 E E D C D o amp A Mote On cables which show continuity tauta l 2 3 l J E l J 5 tis possible for the cable also to be cross wired a condition which the CABLE CROSS WIRE 1 3 CROSS WIRE 2 3 CROSS WIRE 3 2 i TESTER will only show after the shot has 2 E S 2 E T C been corrected tis therefore recommended l 2 3 l 2 3 l 2 3 that cables are checked after repair to ensure SHORT 1 2 SHORT l 2 SHORT 2 3 that all faults have been corrected C G C D e Although the table may appear a little 2 l 2 5 l c complicated a short time spent experimenting SHORT 1 3 SHORT 2 3 SHORT 1 3 with the CABLE TESTER should allow the user amp amp j O d to identity faults in cables without needing to F 1 J 3 3 3 reter to the table SHORT 1 2 3 SHORT 1 2 3 SHORT 1 2 3 O OO O oO O O G 3 3 l 2 l 2 l a E LEL iit OIPEM CIRCUIT 1 OPEM CIRCUIT 2 OPEN CIRCUIT 3 REMOTE CABLE TESTER I 2 3 O C FUSE TEST Hada in Cagle boy EM CLEY STEMS LTO Durt Gey E M O Systems Crowther Road Washington NE38 OBW UK Tel 44 0 191 418 1000 www emosystems co uk Our Policy is one of continuous development all specifications and design details are subject to change without notice 22. SYSTEMS EMO CABLE TESTER E447 INSTRUCTIONS FOR USE CAUTION UNDER NO CIRCUMSTANCES SHOULD THE UNIT BE CONNECTED TO ANY EQUIPMENT WHICH IS IN OPERATION OR CONNECTED TO MAINS POWER Models EMO Remote Cable Tester E447 25 447 Description The Remote Cable Tester is a compact test set allowing the user to locate most continuity fault conditions within profes sional audio equipment Contents E447 Remote Cable Tester Dummy Plug Test leads Power The CABLE TESTER is powered by a 9V battery type 4022 MN1604 6LR61 or equivalent Old PPS style The battery can be changed by removing the lid of the unit When replacing the lid ensure that the battery lead is not trapped Correct operation of the battery can be established by placing a short circuit across the Fuse Test terminals and observing the LED in Button 3 If the LED is dull or fails to light then the battery should be replaced This should be done at least annually to prevent any possible leakage Cable Testing The remote end of the cable to be tested should be located and the dummy plug inserted The near end should then be connected to the tester and each of the three buttons pressed in sequence The results can be interpreted by consulting the table overleaf Fuse Testing The unit will test most commonly used fuse links Place the fuse across the Fuse Test terminals ensuring that the fuse end caps make good contact If intact the red FUSE TEST LED will l
3. ight Correct operation of this section may be confirmed by placing a screwdriver across the terminals Other items such as theatre lamps etc may be tested in this way if their connections have suitable spacing e g Par 64 lamps 15A round pin theatre lamps etc Continutity By use of the Test Leads continuity of external circuits may be checked and the result observed on the red CONTINUITY LED Please note that the LED will illuminate with reduced brightness even when considerable resistance is in circuit This section also gives an audible indication Note When testing cables the CABLE TESTER cannot determine where the faults actually lie only if the fault exists For exam ple In the case of a cable shown to have an open circuit the fault could lie in either of the connectors or in the cable itself In these circumstances use of the continuity section of the CABLE TESTER can be invaluable In the case of screened cables connection of the screen to the correct pins can only be determined by a visual inspection E M O Systems Crowther Road Washington NE38 OBW UK Tel 44 0 191 418 1000 www emosystems co uk Our Policy is one of continuous development all specifications and design details are subject to change without notice cy SYSTEMS EMO CABLE TESTER E447 INSTRUCTIONS FOR USE Table ee o 0O G o G O l 2 5 l 2 3 l 2 3 4 This line shows a correctly wired cable CONTINUITY 1 CONTINUITY
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