Operating Manual

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INOVA DAS Operating Manual
this item. Also, same as TX, input level can be manually adjusted by controlling ATTen., and automatic
input level adjustment through ALC is implemented.
2.5GHz TX Shutdown and Delay Control
Item implements shutdown function of automatically turning HPA off when 2.5GHz TX output signal
gets high due to overpower. User can set shutdown signal level, function operates when switch is on.
Also, item is configured with delay control item to control 2.5GHz system delay. When user inputs
specific value on this delay window, 2.5GHz system delay applies with the user input value added.
TSNC item slightly delays total time of the 2.5GHz synchronization signal when user inputs specific
value.
2.5GHz Channel Status
Item cannot be controlled on the ERU screen, the operator label, channel filter type, downlink
frequency, uplink frequency set from MHU per each operator can be checked.
2.6GHz Band Information
Figure 26. 2.6GHz ERU Band Information Screen.
2.6GHz TX Signal Monitoring and Control
The RF signal output level(Downlink) of 2.6GHz band received from the MHU, EHUB can be checked
on this item, and the output level can be manually adjusted by controlling ATTen. according to the