Installation Notes:

How to tune your antenna using the MCKINLEY radio-

ADJUSTMENT OF SWR (Standing Wave Ratio):

WARNING: This should be completed when you use your CB radio for the first time (and whenever you re-position your antenna). The adjustment must be carried out in an obstacle-free area. In CB mode only. **There is no dot between the 2 digits of SWR value, for example 25 means 2.5. NEW, EASY AND VERY HANDY- Adjustment of SWR meter by beep tones. Here is a link for the MCKINLEY owner's manual.

Perform on channel 1 and 40.

Push the CH knob (6) six times to enter the SWR function. 

Display shows a message with active channel and SWR during 2 seconds, for example {CH40 SWR}. 

The radio goes to TX mode automatically without pressing PTT key (13) and starts SWR measurement. Measurement time is 5 minutes maximum. The remaining time is displayed on sub indicator. 

Adjust your antenna. 

Tone beep* is continuous when SWR value is equal to 10** (SWR=1.0). The space between two beeps became longer when SWR value moves away from 10** (SWR=1.0). 

Volume Beep is adjustable with VOL knob (1). 

Display shows the SWR value. For example 25** (SWR=2.5). 

When adjusted, press the CH knob (6) to activate the next function (TONE). 

Press PTT switch (13) to exit FUNCTIONS mode. *Please check that the beep volume is set to a comfortable listening level. 

The goal is to achieve similar SWR readings on channel 1 and channel 40 that are within an acceptable SWR range (under 2).  

1. The lower the reading, the better your CB radio will perform. By having the SWR readings match on channel 1 and 40, your radio will perform well on any of the channels within the 40 channel bandwidth. If they do not match, adjusting the antenna is advised.

2. IMPORTANT: If the meter reading indicates HIGH SWR readings, DO NOT transmit with the CB. You could potentially damage your radio.

If the reading on channel 1 is higher than the reading on channel 40, your antenna system is too short and you need to lengthen your antenna system.  For example: If the SWR meter reading on channel 1 is 2.6 and the reading on channel 40 is 1.3, your antenna is too short. Possible solutions include adding a spring or quick disconnect, raising the antenna, getting a longer coax (and just make sure to store any excess coax in a figure eight style, about a foot in length, and loosely bound in the center), or re-positioning the antenna.

Alternatively, if the reading on channel 40 is higher than channel 1, your antenna system is too long and you need to shorten your antenna system.  For example: If the SWR meter reading on channel 1 is 1.2 and the reading on channel 40 is 2.3, you'll need to shorten the antenna to get better efficiency. You can do that by turning the tuning tip or the adjusting ring, or you can take the antenna mast out and trim it about 1/8 inch, and place it back firmly against the coil. Remember, it's easier to cut a little more off the antenna than to have to add some length (remember the barber who cut your hair too short?).

Looking for replacement parts?

• Microphone
• Side Knobs
• Power Cord - see the AUCB91 or AUCB91P - please note that the MCKINLEY has a 6 amp fuse in the power cord so you would need to remove the 5 amp fuse in the AUCB91/P and replace it with a 6 amp fuse.

Potential Rebate Available - See our CB World Rebate Page