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Operating the Uno 5800 A/V Receiver
Operating the receiver is simple, as a single push-button allows for switching channels as well as setting
up user configurable settings. After applying power, and provided the 'auto' setting for the low voltage
warning is selected, it'll beep the number of LiPo cells it has detected. So two beeps is a 2S LiPo and the
low voltage warning is set to 6V, three beeps is a 3S LiPo and the low voltage warning is set to 9V.
The Uno 5800 Diversity Receiver can tune to 7 channels in the 5.8GHz ISM band, these are frequencies
used by much of the existing 5.8GHz FPV equipment on the market, ensuring compatibility.
It will cycle through the 7 channels each time the button is pressed, with the last chosen channel stored
to be used when next powered up.
When the low voltage battery alarm is triggered the receiver will start to beep indicating you need to
charge or change the battery. Furthermore it'll also beep when the input voltage is too low, less than 5V
or too high, more than 13V. At voltages less than 5V it will not work reliably, at voltages over 12V it will
run hot over a longer period of use, so this is not recommended. The power input is reverse polarity
protected; however it is good practice to always check polarity prior to applying power. The Uno 5800
A/V receiver power connector is center pin positive, which seems to be the norm.
Programming the Uno 5800 Diversity Receiver
The Uno 5800 Diversity Receiver can be configured to store user selected configuration settings. The
selected channel will always be stored so at power up it defaults to the last selected channel. Other
settings that can be configured are:
•
Low voltage alarm threshold
Programming these settings is accomplished by using the push button, with feedback from the internal
beeper, in a manner similar to that used by most ESCs (Electronic Speed Controllers).
To enter the programming menu, hold down the push button for 5 seconds or longer. Once the
programming menu has been activated, the receiver will start cycling through the menu options, in the
order listed.
To change one of the items, wait for it to be 'played', and immediately after, press the button.
The receiver will then 'play' the current value, as a number of beeps, and will then start from the first
option, and play each option until the last. Selecting an option is simply done by waiting for it to be
played and pressing the button briefly.
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