User manual

Atom Series Installation and Operation Manual

6.3. Gain Adjustment

In order to enable flexible adoption to various mobile environments, the

AT-2200 offers users an Adjustable Gain Control function. The

adjustable range is from 40dB to 60dB in 1dB increments. All

configurations can be done by simply pressing the buttons inside the

small holes of the front panel. Signal bar will change every 4dB gain

difference. (Please refer to the table below) When adjusting gain level,

both DL and UL gain will be changed.

Gain Level Number of Bars

40 ~ 44dB 1

bar

45 ~ 48dB 2

bars

49 ~ 52dB 3

bars

53 ~ 56dB 4

bars

57 ~ 60dB 5

bars

Poke in ‘−’ hole to

reduce gain.

* You may need a paper

clip to poke in the hole

for gain adjustment.

Poke in ‘+’ hole to

increase gain.