RIDGID metal detector Betriebsanweisung Seite 94

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Operating Instructions
Setting the VF Drive
The transmitter drive for all available operating frequencies is set up in the Drive Settings menu to
maximise performance of the detector. This is carried out during the manufacturing process so should
not need adjustment under normal operating conditions.
However, if any of the electronics are replaced it is recommended that the setup is repeated. This is
normally done using the AutoBalance feature which automatically makes any P and Q channel
balance adjustments necessary for each of the available frequencies.
Manual adjustment is also possible and this is carried out by Loma Service Engineers when required.
To set up the VF Drive, proceed as follows:
1.
Select Menus > Service > Configuration > Drive Settings to display the Drive Settings
menu options which are listed and described below.
2.
Use the Navigation Keys
to select each option in turn press the OK /
Enter Key
to enable the value to be edited.
3.
Use the Navigation Keys
to select the required option value and then
press the OK / Enter Key
to confirm the selection.
4. Repeat step 2 and 3 until you have selected and confirmed values for each option.
The Drive Settings menu contains the following options:
Frequency
The IQ
3
has seventy (70) different operating frequencies ranging from 31kHz up to 882kHz.
Each of the available frequencies can be selected from the drop down list.
Note that the frequency selected in this menu is independent of the frequency for the
currently running product.
Drive On
The drive on time for the selected operating frequency of the transmitter is shown here. It can
be manually adjusted within this menu, though this is not recommended.
Drive Off
The drive off time for the selected operating frequency of the transmitter is shown here. This
value is read-only and cannot be changed.
Drive
The drive current for the selected operating frequency is displayed as a read only value. This
value is controlled by the drive on time setting. When the detector has been configured
correctly, the value will generally be close to the Configure current value set.
Larger aperture detectors operating at above 600kHz are likely to show a lower value. If in
doubt contact your local Loma service centre for assistance.
Restore Drive
The transmitter can drop into safe mode operation 100kHz at a low drive current. For example
the Drive On time of a particular operating frequency may have been manually increased
causing the current limit value to be exceeded.
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