background image

 

8

 

 

 
 
Step 2.7: Reattach the front panel, making sure you don't pinch or bind any wires. 
Remember, the black tabs on the edge of the front panel go on the 

outside

 of the chassis. 

 
Step 2.8: Take a short coffee break; the worst is over. 

 
 
Step 3: Route the red wire connected to the OT-11P through the notch in the radio's center-right 
shield panel, to the front right compartment of the radio. Locate the small circuit board there, and 
the black multi-pin connector on the left side. Locate the two pins closest to the back of the radio. 
Carefully tack solder the end of the red wire from the OP-11 to either or both of these pins. Check 
your work and make sure there are no solder bridges to the adjacent pins. 
 

Summary of Contents for OT-11P

Page 1: ...en Tec Orion Manual Version 1 1 LDG Electronics 1445 Parran Road PO Box 48 St Leonard MD 20685 2903 USA Phone 410 586 2177 Fax 410 586 8475 ldg ldgelectronics com www ldgelectronics com Copyright LDG...

Page 2: ...erview 4 Installation 6 Operation 11 Theory Of Operation 12 Some Basic Ideas About Impedance 12 Transmitters Transmission Lines Antennas and Impedance 12 The LDG OT 11P 14 A Word About Tuning Etiquett...

Page 3: ...nstantaneous frequency or band changing Automatic recall of last tuned setting on power up Tuning time 0 1 to 4 seconds full tune 0 1 second memory tune Frequency coverage 1 8 to 30 MHz Tunes 6 to 100...

Page 4: ...nnection These are simple steps well within the abilities of anyone with basic electronic assembly skills Simply follow the step by step directions referring to the accompanying illustrations Work pat...

Page 5: ...ts a temperature controlled iron is preferred Rosin core or other solder intended for electronic assembly NEVER use acid core solder for electronic assembly Medium cross point screwdriver small hex or...

Page 6: ...he radio Be careful not to pinch or foul any of the wires connected to the tuner The OT 11P goes in with the components up looking down into the bottom of the radio with the red toroid inductors to th...

Page 7: ...control connector Original Orion Orion II Step 2 5 Route the black and white control cable from the OT 11P tuner through the round grommet in the back of the front panel compartment It s a snug fit t...

Page 8: ...wire connected to the OT 11P through the notch in the radio s center right shield panel to the front right compartment of the radio Locate the small circuit board there and the black multi pin connect...

Page 9: ...l and the circuit board mounted vertically in the left rear to the area directly behind the two SO 239 antenna jacks Step 5 Turn the radio over and locate the two coax PC jacks on the PC board mounted...

Page 10: ...he jack nearest the edge of the PC board Double check to make sure you have the correct cable in the correct jack Step 7 Carefully check your work Look especially for solder splashes or bridges Make s...

Page 11: ...t frequency again your OT 11P will restore these parameters almost instantly much faster than a full tuning cycle Your OT 11P literally learns as you use it Bypass mode To bypass the tuner and operate...

Page 12: ...nd the antenna is a kind of resonant circuit At any given RF frequency each of these can exhibit resistance and impedance in the form of capacitive or inductive reactance Transmitters Transmission Lin...

Page 13: ...rent in such operation are inescapable it s simple physics Much of your transmitted power may be dissipated in the tuner as heat never reaching the antenna at all A tuner simply fools your transmitter...

Page 14: ...te the FORWARD and REVERSE power levels Once adjusted the forward and reverse power sensors produce a calibrated DC voltage proportional to the forward and reverse RF power levels These two voltages a...

Page 15: ...ephone technical support is available at 410 586 2177 weekdays from 9am to 5pm Eastern Time Inquiries by Fax at 410 586 8475 are welcome and prompt e mail support is available at ldg ldgelectronics co...

Page 16: ...ll be announced on our web site when available Feedback If you have an idea to improve our software or hardware please send us a description If we incorporate your idea in the OT 11P we ll send you a...

Reviews: