Video cameras can be concealed in any number of places by using a pinhole lens.
These cameras are very small and can be hidden almost anywhere and in almost anything.
he TT-46 can detect both serie
ched directly to the
on premises telephone line. It can also be
b
st single and two line phone
sy
ed
on to the telephone instrument so that the carbon
microphone (transmitter) or dynamic earphone (receiver) will pick up room sounds and
p
tr
P – Usually a radio transmitter. Obtains power from the telephone line to
series (inline with one wire). Generally has a DC
re
tests can be done in any order, the manual lays out the most efficient procedure.
nstall a battery in the TT-46 (alkaline o
eady been installed. To
access the battery compartment, insert a small
sl
rs: red/green and black/yellow. These four wires give six
p
TT-46 GENERAL INFORMATION
T
s and parallel wiretaps that are atta
used to detect hookswitch bypasses that may
e installed inside the telephone.
It can detect series taps of 10 ohms or more and parallel taps with a resistance of 65
megohms or less. In a four wire cable (used with mo
stems) it can check all six possible wire combinations for taps or other tampering. List
below are definitions for several terms used in this manual.
BUG – Clandestine listening device.
HOOKSWITCH BYPASS – Modificati
ass them down the phone line to a listening post even with the phone hung up. Turns
the telephone into a bug.
PARALLEL TAP – Connected across both wires of a pair. Usually used to activate a
tape recorder. DC resistance ranges from 10 to 35 megohms. May also be a radio
ansmitter, in which case, a separate battery would be required for powering the
transmitter.
SERIES TA
which it is attached. It is installed in
sistance of 70 to 300 ohms. And although rare it can also be used to activate a tape
recorder.
WIRETAP – Clandestine interception of a telephone conversation. Operates when the
telephone is in use.
We recommend that you perform the tests in the order given in the manual. While the
USING THE TT-46
I
nly) if one has not alr
flat blade screwdriver in the screwdriver
ot at the bottom of the face panel and pry up. The front panel will pop off. After
installing the battery, replace the front panel, pressing on its edges until it snaps into
place.
The telephone cable generally used as inside wiring for single and two line service has
four wires arranged in two pai
ossible pair combinations that should be checked (r/g, r/y, r/b, g/y, g/b and y/b). Through
the use of the various switches on the TT-46, you will be able to test all six combinations
for both series and parallel taps and other forms of tampering.
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