ETS-Lindgren 3121D Dipole - Manual (Page 11)

Maintenance | 11
2.0 Maintenance
Before performing any maintenance, follow
the safety information in the ETS-Lindgren
Product Information Bulletin included with
your shipment.
WARRANTY
Maintenance of the Model 3121D is limited
to external components such as cables or
connectors.
If you have any questions concerning
maintenance, contact ETS-Lindgren
Customer Service.
Annual Calibration
See the Product Information Bulletin included with your shipment for information
on ETS-Lindgren calibration services.
Replacement and Optional Parts
Following are the part numbers for ordering replacement or optional parts for the
Model 3121D Adjustable Dipole Antenna System.
Available For 3121D Model:
Part Description
DB-1 DB-2 DB-3 DB-4
Part
Number
Element, Low Frequency (2)
√ √
3121LE
Element, Medium Frequency
(2) √
3121ME
Element Extension,
19.5 inches (4) √
3121EE
Carrying Case
√ √ √ √
3121CASE