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INM MTL SUM5 Rev 7
DRAFT - 09 June 2021 DRAFT - 09 June 2021
2.2.17 Diagnostic / Program mode - Manually changing the input type
The internal pushbuttons can be used to change the input state for each channel
from normally open (N/O) to normally closed (N/C) by pressing and holding the
internal Test pushbutton for 10 seconds.
LED-1, located above the test pushbutton, slow ashes to indicate the Annunciator
is in the monitor mode.
Press the Mute pushbutton once and note LED-2 and Channel-1 LED slow ash to
indicate that you are now able to invert the state of Channel-1 as required.
Pressing the Ack. pushbutton navigates to the next channel in sequence and once
the last channel has been congured the cycle repeats.
Pressing the Reset pushbutton toggles between N/O or N/C
Note: As you navigate away from each channel .
• If the LED remains ON the input is set to normally closed .
• If the LED is OFF the input is set to normally open .
The “input state function” times out and the unit automatically returns to the normal
run mode after 1 minute and LED-1 reverts to steady ON.
Press & Hold for 10 Sec
Press Once
Press to navigate
between channels
Press to invert input state
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