Elmo TD4114 IP II Instruction Manual page 28

w Iris ...................................... Adjusts the iris. The auto iris (the automatic adjustment
e Speaker............................... Set whether to output sound from the client when sound is
rExternal GPIO..................... Turns ON or OFF a external GPIO terminal.
function to keep brightness at the same level even if the
state of the object changes) is valid at all times. Use the
"Open" and "Close" buttons to "increase" or "decrease"
brightness. By clicking on the "Normal" button, brightness
will be adjusted to the normal level.
input through a microphone or another device connected.
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