53The device LED indicators will not blink if NONE is chosen or will blink if ALL is chosen. Note that only certaindevices, such as Apollo Discovery, support this feature.If a device, such as a Discovery device, is changed it may be necessary to select and reconfirm the blinkingcommand so that the new device will blink its LED.The INDIVIDUAL option should be chosen when it is required that only certain devices should blink their LED.The devices that shall blink their LED can only be programmed using the PC Configuration Tool.3.3.17.7 Earth Fault NotificationThis parameter determines whether an Earth Fault is shown on the display during normal operation. To changethe setting, press the ✔ button. The status changes from ✔ to X and vice versa.3.3.17.8 ResoundThe Resound option defines whether silenced sounders shall resound when either a new zone is in alarm(default EN54-2 setting) or a new device is in alarm.3.3.17.9 Config DataThe Config Data option shows the loop protocol selected and the checksum for the configuration data. A note ofthis number can be taken and then checked on the next service visit to see if any changes have been made tothe configuration data.[Setup]CONFIG DATA :APOLLO More>To change the protocol, press the ✔ button. A pop up window is shown with the following options. KEEP PROTOCOL .! CHANGE LOOP PROTOCOL !Use the buttons to select the required options and press the ✔ button to confirm the selection.Selecting “CHANGE LOOP PROTOCOL” will toggle to the alternative loop protocol available (i.e.Apollo/Hochiki). For the Mx-5000V Series the protocol is fixed as AV. For Mx-5000N Series panels the protocolis fixed as NITTAN.Changing between protocols will automatically erase all loop devices from theconfiguration memory.Perform an “Auto-Learn” or use the PC Config Tool to re-define the devicesconnected to the loop.To view the Config Data Checksum, press the button. The display then shows:[Setup]CONFIG DATA :CGF= 351677 In addition, there is an option to erase the Config Data. Press the button. The display then shows:[Setup]CONFIG DATA :ERASE CONFIG Press the ✔ button. A pop-up menu will be shown to confirm whether the configuration data shall be erased.www.acornfiresecurity.comwww.acornfiresecurity.com