Rangemaster AM1000 Install Instructions Download Page 1

Unpack 

You should have the transmitter and 
power supply, Antenna, two crystals if 
you ordered the AM1000C model, a tun-
ing tool, and a spare shunt. 
 

First 

Find a place to put the transmitter, higher 
up in the building is better, you may want 
to try several locations to find the best 
place. Try to find an low traffic location. 
 

Mount 

Mount the transmitter to a wall, the unit 
should be used indoors only. See the dia-
grams for suggested mounted ideas. Keep 
in mind you need to plug in the power 
supply. 
 

Connect 

Connect your Audio and antenna. See the 
diagrams for guidelines to mount the an-
tenna. Keep the antenna away from metal. 
The antenna wire should be attached so it 
will not move. You can use staples, tape, 
ect, to attach the antenna wire.  
Connect your audio to the RCA jack. You 
may need an adapter cable if you device 
has a 1/8” jack for example. If you want 
to drive the audio balanced bring the 
twisted pair cable into the hole, connect 
the two wires to the AF+ and AF– con-
nections on the terminal block. 
 

Crystal 

Be sure to install the crystal if you have 
the AM1000C crystal model. 

You are trying to peak the meter. As you as rotating the Cap 
Tune you should see the meter peak. If the meter goes down 
when you rotate the Cap Tune either way then you are tuned. 
The goal is to have the meter at the most peak voltage possi-
ble you can obtain by moving the shunt and Cap Tune. Ad-
just the Radio Power Gain if it is helpful. If two shunt posi-
tions seem to work use the one that peaks with the Cap Tune 
in the most counter clockwise position. 
 

Power 

Setting the power is easy,  simply rotate Radio Power Gain 
until Set Power LED turns Green, rotate very slowly. Now 
turn the Audio Gain back all the way up. Once the Audio 
Gain is turned up the LED will flash red and green.  
 

Tuning 

Plug in the power, the Set Power LED should come on. (Refer to the above diagram) Turn the Audio Gain all the way down 
counter clockwise. Turn the Cap Tune so it is near the middle of it’s range, 5 turns from either end, it is a 10 turn device. Place 
the shunt on the Coil Tune bank near the middle, position 5 or 6. Then turn Radio Power Gain up unit the Tune Meter shows 
about “4”. Now move the Coil Tune shunt up and down the bank, you are looking for the position that gives the highest reading 
on the meter. You will need to look at the reading, move the shunt, remove your hand then recheck the reading. Having your hand 
on the shunt will effect the meter reading. Once this is done take the tuning tool, and adjust the Cap Tune. 

AM1000 INDOOR INSTALL INSTRUCTIONS 

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