ETS-Lindgren 3301C Active Monopole - Manual (Page 41)

C HANGE DIP S WITCH S ETTINGS
Before performing these steps, follow the safety
information in the ETS-Lindgren
Product Information Bulletin included with your
shipment.
The DIP switches for internal attenuation and low frequency roll off are
located on the system board at designation SW2, and the
DIP switches for the audible alarms are located at designation SW1.
1. Place the power switch in the OFF/CHG position. See Operation on
page 35 for information on the front panel controls and indicators.
2. Remove the monopole element and counterpoise. See Counterpoise
and Monopole Element on page 23 for more information.
3. Disconnect all cables from the antenna base.
4. Turn over the Model 3301C antenna base and place it on a stable
surface with the bottom facing up.
5. Use a Phillips screwdriver to remove the eight screws from around the
perimeter of the base. Lift the lid to remove it from the base and to
access the system board.
6. Change the DIP switch settings as required.
7. Replace the lid on the base, and insert and tighten the screws. Do not
over tighten.
8. Reassemble and re-connect the cables.
Operation | 41