Mobile Communications Inc. BRB8191 ユーザーズマニュアル

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Gain Level LED Indicator Light States
More then 30db of attenuation the Freq band will shut down and
it’s LED lights will flash together every 2 seconds
800mhz
1900mhz
There are four green LED lights for each freq. band (800Mhz & 1900Mhz).
 Each LED represents 10dB of attenuation that is displayed as 1 to 4 flashes and solid ON.
Gain Level LED Status
Flashing Pattern
Attenuation 
(gain reduction)
LED1
LED2
LED3
LED4
4 Lights Solid ON
None
None
None
None
4 Times
3 Times
2 Times
1 Times
4 Times
3 Times
2 Times
1 Times
4 Times
3 Times
2 Times
1 Times
2 dB
4 dB
6 dB
8 dB
12 dB
14 dB
16 dB
18 dB
22 dB
24 dB
26 dB
28 dB
0 dB
10 dB
20 dB
30 dB
3 Lights Solid ON,
4th Light Flashing
3 Lights Solid ON,
4th Light OFF
2 Lights Solid ON,
3rd & 4th Light OFF
2 Lights Solid ON,
3th Light Flashing
1 Light Solid ON,
2nd Light Flashing
1 Light Solid ON
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