Nikrans NS-500GW, Installation Manual

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1. Shows the UL&DL average frequency.
2. Shows the UL&DL maximum gain.
3. Smart function. The repeater could set the gain automatically to prevent the Alarm.
4. Antenna Isolation Detection. At first power on the repeater, it will detect the oscillation automatically between the
outdoor and indoor antennas.
5. ALC Alarm indicator.
6. 5 bars of the output signal strength indication, which shows the maximum output power of the repeater. Each signal bar
represents 5dB.
7. Press to select or confirm the settings.
8. Increase the gain or upward adjusting of the average frequency. Decrease the gain or downward adjusting of the average
frequency.
9. Smart key. Press the key enter into Smart function.
The repeater has Manual Gain Control (MGC) feature that enables engineers to reduce the gain of the repeater manually via touch
screen if oscillation is detected. Users could also use the “Smart” function as well, which will help to set to the suitable gain
automatically without any interference to the mobile network.
In order to maintain safe and specific output signal levels, this repeater has built-in signal oscillation detection circuit to adjust
the gain automatically so as to avoid interference to the cellular network, also it gets color changing LED indicating its
environmental status: the Alarm LED will change color from green to orange or red, (depending on the input power level) when