I suggest looking for a conformation handling class in your area and going to a few classes, they will give you an idea about what is expected of you. You can do a search on the AKC site, if there isn't a local basenji club to give you advice/support, contact an all breed club. I go to all breed conformation classes, there are two in my area that hold weekly drop in classes that run for 1 hour and are $10.
Try to befriend someone you respect and feel comfortable with that will support and mentor you.
I just started showing this past July and I learn something new every time I go to class and every time I go into the ring. Sometimes it's what to do, sometimes it's what not to do, sometimes it's both.
As far as ring etiquette goes… You enter the ring in catalog (numerical) order and enter the line-up - if you are in front make sure you leave enough room behind you for the rest of the class, if you are behind someone make sure you don't crowd them. Make eye contact with the judge, and remember to SMILE - you are supposed to be having a good time. Typically the dogs enter the ring and are stacked, the judge will look them over and ask everyone to proceed to gait around the ring, first dog on the table to be examined. Some judges will ask everyone to go around together, some judges will ask you to go around one at a time. If you are in front and are going around together, it is polite to ask the person behind you if they are ready before you take off to 'gait' around to the table. If you are behind someone, make sure to leave enough space that you are not running up on their dog, when you begin moving your dog around the ring there is nothing worse than having to slow down once you get your dog moving because you are coming up too quickly behind someone. Different dogs and handlers move at different paces, it is up to you to decide how to best present your dog. If you are going around one at a time, make eye contact with the judge and proceed when you are motioned, some judges will do this verbally, some will wave a hand, or a finger, or nod, you need to be paying attention to the judge so you do not miss your signal. If you are first in line, you are first up on the table, as soon as you get around the ring you stack your dog on the table to be examined, be polite and remember to smile. Some judges will make small talk, some will give instructions, some will go over your dog without saying much. After the table you will be asked to move your dog for the judge. This can be a down & back, or a triangle, an L or other, it is the judges discretion. When you have performed the maneuver, you will stop in front of the judge and bait your dog or free stack if your dog knows how. The judge will typically make some kind of noise to get your dogs attention and then typically you are asked to go around the ring again. If you are in line behind someone, watch the dog(s) before you so you have an idea of what will be expected of you when its your turn. When the person in front of you takes their dog off the table and begins moving their dog for the judge to watch, that is the time to put your dog on the table and get them ready, rather than waiting until they are done because then the judge will be waiting on you to stack your dog and you don't want the judge waiting on you, it stresses you out and the dog will feel that stress. Once all the dogs have been examined and you are stacked in the lineup again the judge will either have made their decision or give you instructions on what to do next. Sometime you go around the ring all together, one at a time, or he will pull our certain dogs to go around together or separately. Keep smiling and do your best.
I hope that makes sense, and I hope I could help... But the best advise I can give is to go to some handling classes.
Every judge is different, so just be polite and pay attention. Watch the others and learn from them.