Operating Manual

PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
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INOVA DAS Operating Manual
6.2.2 ERU Main Screen per Frequency
• 700MHz Band Information
Figure 20. 700MHz ERU Band Information Screen.
① 700MHz TX Signal Monitoring and Control
The RF signal output level(Downlink) of 700MHz 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 operator. Also, ALC function is configured for the user to automatically adjust output level by
inputting the desired ALC level and turning the function ON.
② 700MHz RX Signal Monitoring and Control
The RF signal input level(Uplink) of 700MHz band received from the terminal can be checked on
this item. Also, same as TX, input level can be manually adjusted by controlling ATTen., and automatic
input level adjustment through ALC is implemented.
③ 700MHz TX Shutdown and Delay Control
Item implements shutdown function of automatically turning HPA off when 700MHz 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 700MHz system delay. When user inputs
specific value on this delay window, 700MHz system delay applies with the user input value added.