SEFRAM MW9520 Manuel D'utilisation page 49

The receiver has 3 different modes:
● Auto detection mode:
When the power is on, the receiver is on the auto
detection mode to detect the high frequency transmis-
sion signal with the highest sensitivity.
The speaker in the receiver will generate a
tone(550Hz ~ 1.6kHz) and the bar-graph on the LCD
indicates the signal strength.
● Manual detection mode:
Press the MANU button to enter into the manual
detection mode. On the manual detection mode, user
can select the signal sensitivity level (8 steps) by
pressing  or  button. The receiver will return to the
auto detection mode by pressing the MANU button.
● UAC detection mode:
Press the UAC button to enter into the non-contact
voltage detection mode (UAC mode) for non-contact
voltage detection. The is for checking the AC power
lines or the wall outlets.
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