Full Product Manual

47
how a null point occurs at the gap. This technique can be
used to nd the open fairly precisely, if the spacing of the
wires and the location of the open lends its to this approach.
STRONG
SIGNAL
OPEN
TRACER TONE
VISUAL CONT.
TALK
OFF / POLARITY
AUDIBLE CONT.
WARBLE
PULSE
CORDLESS
INTERFACE
UNLOCK
BATTERY TEST
AC / RING
REV NORM
NULL
Figure 10