Johnson 40-6557 Mode D'emploi page 21

8489H-All_Manuals 11/18/14 11:50 AM Page 21
4. Operating Instructions
Power On
Press the power key to turn the unit on. The LCD
display will illuminate all the indicator segments
for 0.5 second (Fig.2). When the indicator
segments are no longer illuminated, the detector
is ready for use.
Note: The LCD display will still have the power,
detection and sound indicators illuminated (Fig. 3).
Fine/Coarse accuracy key
Power on and press the fine/coarse
accuracy key, the unit will cycle
between three accuracy options:
fine, coarse 1, coarse 2. The
accuracy symbol displayed on the LCD will change.
Volume Key
Power on and press the volume
key, the unit will cycle between a
high sound, low sound and mute.
The sound symbol displayed on the LCD will change accordingly.
Note: There will be two beeps when turning the unit on and off.
There will be one beep when changing functions.
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Figure 3
Figure 2
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