d. Therejectpush-button,whichmaybeusedtorejecttheselected
control card displayed value and return to the previous set
value. Returns the control card to the selected mode.
5. CHANNEL INHIBIT
Pushing the Engineering Card INHIBIT push-button toggles the selected
control card channel inhibit mode between on and off.
When the inhibit mode is set to on, either locally from the Engineering
Card or remotely by the Remote Inhibit input, the selected control
card:
a. channelinhibitrelay,ifcongured,isactuated.
b. channel LED shows continuous amber to indicate INHIBIT.
c. remaining channel relays are locked in their non-active state.
To select the inhibit function, proceed as follows:
(1) Plug the Engineering Key into the Engineering Card front panel
socket and check that the Unlocked LED (
) is illuminated.
(2) Push and hold the required control card RESET/SELECT push-
button for approximately 1.5 seconds and check that the selected
control card indicates it has been selected by displaying the select
icon.
(3) Use the Engineering Card (
) and ( ) push-buttons to select the
required channel.
(4) Push the INHIBIT push-button to toggle the channels inhibit mode
on/off.
INHIBIT
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