Question about Midland Radio Communications
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Posted on Jan 02, 2017
An SWR meter is used to see how well your antenna is matched to your transmitter output, just like using the correct speakers with an amplifier.
There are usually two readings. FORWARD and REFLECT
or FWD and REFL
Firstly, make sure the antenna selector is in the correct position and set for the antenna you are using.
Next, switch your meter to FWD (FORWARD). Switch your transmitter to low power and press the microphone key.
Next, adjust the CAL knob for the maximum power reading, but not so far that the meter exceeds maximum!
Keep the microphone key pressed and switch to REFL (REFLECT). If your antenna is matched, the meter should now give a low reading. If the reading is very high, you must match your antenna by making adjustments or by using a matching unit.
A poor match will mean a poor signal. A very poor match can damage your transmitter and cause interference.
When you have a good FORWARD reading and a low REFLECT reading, your system will be reasonably matched and you can then use higher power. Remember that you will need to reduce the CAL knob to a lower setting when running high power.
Posted on Mar 06, 2008
it appears to be only good for the cb frequencies.... i suspect it would be too unstable for 2 metre usuage
Please take a moment to rate this solution.. thanks
Posted on Feb 01, 2009
SOURCE: Cobra 29 SWR, cal meter
Rule of thumb is go by what the manual tells you. providing it is the manual that is for the radio.. that is why they make manuals for that particular radio a 1-1 to a 1-2 swr rating is really good providing you have no saturation on the internal filter. over saturation due to swr being set too high will eventually burn out the finals of a radio
i have delt with radio's for about 17 years now so i really suggest consult the users manual and always use only a authorized dealer for that particular radio just like my cobra 2000 i am not going to send it to a shop that just does radios i want a authorized cobra dealer ok i hope that this really helps ok please dont forget to give this solution a rate for me it helps me out so i can continue to help out others like yourself.
Posted on Aug 23, 2009
Always use an external meter to set SWR. If the ant. warning light comes on it indicates a problem with the SWR. Check it with external meter.
Posted on Oct 19, 2009
Hello, this problem is solved and how?
I have the same problem on HF and VHF 30Watt max output
1.8 MHz-20M 0-5Watt
10M 25 Watt
70cm 42Watt is ok
23cm 10Watt is ok
Posted on Jul 18, 2011
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