Instruction/ maintenance manual of the product SP920 BenQ
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BenQ RS232 Code M odel: SP920 1. Connection : The below sho ws the illustration of connecti on between control terminal and P rojector . <Pin assignment > Pin Description Pin Description 1 RX 2 CTS 3 NC 4 GND 5 R TS 6 NC 7 TX 8 GND Mak e sure that y our computer and pr oj ector are turned off before co nnec tion.
3. RS232 Commands Function Type Operation ASCII Power Write Power On <CR>*pow=on#<CR> Write Power off <CR>*pow=off#<CR> Read Power Status <CR>*pow=?#<CR> Source Sel.
Function Type Operation ASCII Picture Setting Write Zoom out <CR>*zoomO#<CR> Write Auto <CR>*auto#<CR> Lamp Control Read Lamp Hour <CR>*ltim=?#<CR> Read Lamp-2 Hour.
An important point after buying a device BenQ SP920 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought BenQ SP920 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 BenQ SP920 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, BenQ SP920 you will learn all the available features of the product, as well as information on its operation. The information that you get BenQ SP920 will certainly help you make a decision on the purchase.
If you already are a holder of BenQ SP920, 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 BenQ SP920.
However, one of the most important roles played by the user manual is to help in solving problems with BenQ SP920. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device BenQ SP920 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
