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I'd like to power the RUT950 from a 12v battery.  Looking at the manual's plug diagram the red lead should be positive and is connected to pin 1, but is this the plug as viewed from the front (i.e., the end which enters the socket)?  I'm seeing the polarity reversed (+ is pin 2 and - is pin 1) unless there is a convention for reading this diagram which I'm unaware of.

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Hi,

It's not the plug that is displayed in the manual, but the power socket (the connector on the device itself). So, if you look at the device's panel where the socket is located and the device is not upside down, pin 1 is on the top left-hand side.

image

And of course, the pins on the PSU are mirrored, i.e., if you face the connector pins 1 & 3 are on the right, while 2 & 4  are on the left.

DM