Ethos 4700 - 4 Measurement Point Illumination; 5 Maintenance

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Now touch the light-plastic sheathed cable with your receiver just before the
location of the interruption. With button (6 or 9) SENSE set the sensitivity level
so as to just receive the 7 signal. The signal strength is indicated via the bargraph
(3). The display indicates the signal sent. Together with this optical indication, an
acoustic signal is also emitted from the receiver. If the signal strength increases
further, the bargraph (3) is illuminated one after the other in accordance with the
signal stength.
Now, using the lowest possible sensitivity level of the receiver, move along the
cable and past the interruption. The signal 7 is not displayed any longer and
the acoustic signal is not audible any more. Repeat the same experiment on the
other side of the wall.
For this, set the transmitter to Level III using switch 4. Thus, the range increases
by a factor 5.
To perform the test, it is good to mark the location of the artificial interruption
on the opposite side of the wall. Select the sensitivity using button (6 or 9) to
make sure that the signal 7” is only just receivable. Trace the signal in the wall
with the receiver until it is no longer indicated. Localize the artificial interruption
by systematically adjusting the sensitivity.
The switching with button 4 from LEVEL I to LEVEL III the sensitivity of the Distance
is increased up to factor 5.
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Press button flashlight button for measurement point illumination. The instrument
switches off automatically after approximately 60 seconds or it can be switched
off manually when pressing the flashlight button again.
When using the instrument in compliance with the Users Manual, no special
maintenance is required. For any queries regarding the instrument, please always
quote product designation and serial number, both marked on the type shield
label on instrument rear. If functional errors occur after expiration of warranty,
our after sales service will repair your instrument without delay.
Note:
4 Measurement Point Illumination
5 Maintenance