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I purchased the unit from a private party and the original owners manual was not available. Having the ability to download it was extremely helpful and clarified operating the equipment immensely. This is a complicated unit and without the manual I would not have been able to maximize it's potential. Thank you.
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Being a user of older radios of many kinds, preferring them over more modern rigs, this manual was invaluable in the programming of my two. I now know for certain what the assorted buttons functions are, and am very grateful to have found this excellent site. Many thanks for your assistance, Tony.
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Clear and easy to read. All details as expected. Price acceptable , and quick delivery.
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Quick response and exactly what I was looking for and at a great fair price!
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5 star quality on these downloadable manuals. Easy to read and all the information is there. A must when doing a custom install or needing to service your precious old school electronics.
Model 187 & 189 Users Manual The following are some tips for measuring current: � If the display shows LEAd5 and you are sure the meter is set up correctly, test the meter�s fuses as described under "Testing the Fuses" in Chapter 6. A current meter drops a small voltage across itself, which might affect circuit operation. You can calculate this burden voltage using the values listed in Chapter 7 under Burden Voltage (A, mA, µA).
Measuring AC Current
To measure ac current, set up the meter as shown in Figure 3-11. The blue pushbutton cannot be used with ac current measurement. All other pushbutton features can be used.
�
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