HiBoost Commercial 20K Pro Manuel de l'utilisateur - Page 12
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Control Buttons Operation and Manual gain control (MGC)
There are 5 operation modes relative to the control keys:
- Press the "SET" key for more than 5 seconds
- Short press on the "SET" key
- Short press on the "DEC-" key
- Short press on "INC+" key
- Simultaneously press on the "DEC-" and "INC+" keys for more than 5 seconds
Since the booster has a self-adaptive smart automatic level control (ALC) and
isolation gain processing (ISO), most of the time manual adjustments are not
required to achieve good coverage. However, in some cases where the ALC or
ISO is working at a very high rate to adjust the gain and the Alarm or ISO LED is
flashing more than once a second a manual adjustment might be desired.
When the LCD is in the fixed display mode, press the "SET" key for more than 3
seconds. It will go into the "Gain Setting Mode" and make one of the gain
values start to blink.
- Press "SET" key shortly, and the LCD will switch to the next gain value and it will
start to blink. (Uplink or downlink gain for a different band).
- Press "INC+" key once shortly and the gain will increase by 1dB, Press "DEC-"
once shortly and the gain value will be reduced by 1dB.
- Press the "SET" key for 3 seconds, and the LCD will return to the fixed display
mode.
Actual Gain display
MGC Setting Gain
Actual Power display
Note: When adjusting the gain manually, please ensure that the uplink gain is
equal to or not 5 dB less than the downlink gain setting. This avoids interference
with the local cell site tower network.
When the LCD is in the fixed display mode, press the "DEC-" and "INC+" key
simultaneously for more than 3 seconds, the booster will reset the gain to the
default manufacturer settings.
When the LCD is in the alarm display mode, press the "SET" key and the LCD
screen will turn on to help with troubleshooting and display the alarm indication
showing the affected band or bands, press the "|NC+" (or "DEC-") key will
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