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e. Uplink Auto Shut Down Function

When uplink input power is lower than -85dB(there is no phone being used in the coverage area),

uplink signal output will be automatically shut down. And

and LED indicator "RUN" will be flashing(as shown in Pic 7).

f. ISO Self-excitation Elimination and Auto Shut Down

The device will detect isolation in real time. And when the isolation between outdoor antenna and

indoor antenna is not enough, the "I.S.O" on the middle bottom will light up and device will

automatically adjust gain to make it work normally. When severe self-excitation occurs(the isolation

between outdoor antenna and indoor antenna is lower than gain value, more than 15dB), signal output

will automatically be shut down, in case the self-excitation causes interference to the BTS. Meanwhile,

"I.S.O" on the middle bottom of the screen will be flashing.

Pic 5

Pic 7

Pic 8

Pic 6

the "Work"on the left bottom will light off

Pic 9