Bob Meister in Hamden, Conn., says
Xcelite has evidently tweaked the design of its popular screwdriver, model
R3322 (round, 3/32-inch diameter, 2 inches long), commonly called “the greenie”
because of its color.
For as far back as Bob can remember,
and at least until a few years ago, the diameter of the entire screwdriver
shaft was 3/32-inch. This made the screwdriver popular for adjusting
potentiometers behind small panel holes. The design prevented mis-adjustments by
would-be engineers (because a standard miniature screwdriver wouldn’t fit).
Fig. 1: Hey Xcelite, you new
‘greenie’ (bottom) may not fit.
But Bob’s most recent batch of
“greenies” shows a redesign. Most of the shaft is now 1/8-inch diameter, while
just the final 3/4 inch to the tip has been reduced to the original (and
model-specific) 3/32-inch diameter.
This could be a problem in some
situations, where the hole in a panel through which you insert the screwdriver
might not be big enough.
Fig. 1 shows the new and old models.
Note the taper in the lower driver.
Xcelite is part of Apex Tool Group.
Radio World sent an email to the company to inquire about this change and we’ll
share any reply.
* * *
If you haven’t covered the opening to
your satellite LNB, be prepared for nesting insects, probably the stinging
variety, to move in this fall.
At a recent Ennes Workshop I showed a
picture of a plastic liter water bottle, cut down to fit inside the “throat.”
Fig. 2: Seal outdoor
conduits as part of your winter prep.
Another engineer mentioned that he has
used nylon fabric, stretched over the opening and secured by hose clamps. Still
others said plastic mayonnaise or peanut butter lids fit fine too. Too small an
opening? Try an aerosol spray can lid.
Metal, of course, can’t be used. But
plastic seems to have very little effect on the satellite signal while keeping
the insects out.
While you’re keeping bugs at bay,
inspect your outdoor equipment carefully. This includes any conduits with
openings, as seen in Fig. 2.
Conduits that go underground can provide
shelter for rodents, which like to chew on cables. Buy some stainless steel or
copper wool at a dollar store; mix in a little foam sealant and you have a
great plug that can be removed to use the port opening for another cable.
* * *
Dave Burns, a real broadcast history buff,
provides a link to a neat slide show about the history of the cart machine.
Younger engineers, see what you missed.
The slides were prepared by Andy Rector of ACC Electronix for a presentation to the Broadcasters
Clinic in Madison, Wis., in 2009. While some stations may still use carts, they are
certainly in the minority; so for a trip down memory lane, follow the link to open
the PDF: tinyurl.com/rwcart.
The Broadcasters Clinic, held annually
in Madison, Wis., is organized by the Wisconsin Broadcasters Association and
SBE Chapter 24; this year’s dates are Oct. 11–13. The clinic offers sessions
for both radio and television engineers. (To see more clinic archival info, head
and click on “Broadcast Clinic.”)
Dave Burns is familiar to many readers
from his days as an executive at equipment dealer Allied Broadcast.
* * *
EAS is on everyone’s mind these days.
From the Broadcast Radio Technical Forum (email@example.com)
comes a tip for owners of the new Sage encoder/decoders.
Gary Peterson of New Rushmore Radio in
Rapid City was experiencing some difficulty in configuring his new Sage ENDEC.
Michael Glaser, engineering manager for Barnstable Broadcasting’s Long Island
Radio Group, provided Gary with a helpful name: Christopher Voumazos of Sage
has a “cheat sheet” that will help with the configuration and answer
questions. The sheet is available on Sage’s web FAQ page, in the section
called “task sheets,” at www.sagealertingsystems.com/faq.htm.
Chris is part of the Sage support
team, and can be reached at (914) 872-4069; dial “1” for support.
Thanks Michael for sharing your
knowledge on the web at B-Net and here in Workbench.
Contribute to Workbench! You’ll help your fellow engineers, and qualify
for SBE recertification credit. Send Workbench tips to
Author John Bisset has spent 43 years in the broadcasting industry and
is still learning. He is SBE Certified and is a past recipient of the SBE’s
Educator of the Year Award.