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“RF Level: Low” in picture means no output or output level is too low.
“RF Level: Norm” in Picture means output level is normal, “ATT: 0.0dB” means output
attenuation. User can press “Select” key, entering variable status, and then pressing “
▲
” or “
▼
”
key, until reaching user needed value, finally pressing “Mode” key saving the change.
9.2 Operation for Power Amplifier Cell
There is LCD, Up key, Down Key, Enter key on the front panel for user to operate and view
parameter of Amplifier Cell.
▲：
Up key.
▼：
Down key.
●：
Enter key. User can select page and save parameter by this key.
When there is no operation (press button) for a long time, system will return to its main menu
automatically with LCD backlight off. Not saved updated parameter will be replaced with its old
value. Pressing any key can turn on the LCD again.
9.2.1 System Boot Up Page
Figure 9-1 Page of system boot up
RF Level
：
Low
ATT
：
0.0dB
RF Level
：
Norm
ATT
：
0.0dB
