Instruction/ maintenance manual of the product V-9928 Valcom
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VSP -V- 9928 Issue 6 1 947928 V- 9928 5 WA TT A MPLIFIER WITH VO LUME CONTROL INTRODUC TION These instructions contain the specifications and inform atio n necessary to install, operate, and maintain the V-9928, 5 W att Am p lifier w ith Volume Control.
2 947928 TECHNICA L ASSISTANCE When trouble is reported , verify pow er is being supplied to the unit and there are no bro ken connections. Check voltages f o r proper polarity. Refer to Table 1 for possible tro ubleshooting solutions. Assistan ce in troubleshooting is available from th e factory.
3 947928 TABLE 1 - TROUBLESHOO TING CHART Problem Possible Solution No Sound 1. Check that volum e control is turned up. 2. Check presence of – 24 Vd c and GND. 3. Using a linem an's test set, check for the proper audio level on T&R leads, and if necessary also at the source.
An important point after buying a device Valcom V-9928 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Valcom V-9928 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Valcom V-9928 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Valcom V-9928 you will learn all the available features of the product, as well as information on its operation. The information that you get Valcom V-9928 will certainly help you make a decision on the purchase.
If you already are a holder of Valcom V-9928, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Valcom V-9928.
However, one of the most important roles played by the user manual is to help in solving problems with Valcom V-9928. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Valcom V-9928 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
