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Check the LCD display. If the current gain is less than the rated value and "ISO" is flashing, it means the gain is
reduced by ISO function for not having enough isolation.
More about "ISO" legend indication
ISO status indicates if the booster has enough isolation between the outdoor and indoor antennas in order to avoid loop
back or so-called self-oscillation. HiBoost is equipped with a smart AGC function to avoid interference with mobile
networks. "ISO" flashing on the LCD display means that ISO function is working great and self-oscillation has been
eliminated.
LCD
Status
Remain still
Flashing but actual gain is not
more than 30dB and less than
ISO Status
rated gain.
Flashing but actual gain is
more than 30dB.
More about "ALC" legend indication
ALC indicates the strength of receiving power of the booster. Flashing ALC means that the booster has strong receiving
power.
LCD
Status
Remain still
Flashing but actual gain is not
ALC Status
more than 30dB and less than
rated gain.
Flashing but actual gain is
more than 30dB.
More about LCD indication：
LCD
Status
"- - -" status
"OFF" status
Actual gain is more
than 32dB less than
Flashing LCD
rated gain.
screen
When the ISO or ALC indicators are flashing, please check the ISO and Alarm LED colors.
ISO LED flashing means that ISO function is working well and self- oscillation has been eliminated. ISO LED will remain
"Green" or will be "Slow Flashing Green". Note: This improvement won't increase the coverage, but is mandatory to avoid
causing interference to local carrier's cell site towers.
13
Meaning
No loop back or no self-
oscillation.
Slight loop back or no self-
oscillation
Deep loop back or no self-
oscillation
Meaning
Output power is not weak
or just suitable.
Full output power
Too strong receiving
Meaning
Output power is lower
40dBm than rated output
power.
Severe loop back or self-
oscillation or output
power is heavily
overrated which leads to
booster break down.
Solution
NO action is needed.
NO action is needed.
Please check the
Troubleshooting section to
get solutions.
Solution
Check coverage, leave it as it is if it's
good.
Please check the Troubleshooting
section to get solutions if coverage
is not good.
Working Properly
Working properly, but the signal is
too strong. Please check the
Troubleshooting section to get
solutions.
Solution
Check coverage, leave it as it is if it's
good；Please check the
Troubleshooting section to get
solutions if coverage is not good.
Not working properly. Please check
the Troubleshooting section to get
a solutions.
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