The last digit of
the UNIT number.
The UNIT number tells you
if the tone
to be used
a transmitter (5) or
in a receiver (1, 2, 3, or
a tone module is installed, the SERIAL
on one face of each receiver ring.
number is written on the plate with a china marking (grease) pencil.
you to identify the tone module without opening a transmitter or removing a
receiver from its detector.
Each set consists of one transmitter tone
Every tone module is part of a set.
Every tone module in a set will have the
module and four receiver tone modules.
same GROUP number.
A tone module can be used only with other tone modules bearing
the same GROUP number.
Every standard set has GROUP number 000, and is the same as every other standard
set. Any transmitter containing a standard set tone module can cause any receiver
This allows you to cause
containing a standard-set module within range to respond.
two-or-more receivers to respond at a time using a single transmitter.
The special-purpose set has a GROUP number other than 000,
and is different than
the standard set. A receiver containing a tone module from
a special-purpose set
will respond only to a transmitter containing a module from
that same set.
Therefore, two Simulators can be operated in a 1000-meter r
adius without inter-
ference if one Simulator contains a special-purpose set.
Preparing the receiver for operation requires no tools. The receivers are in-
stalled between the case-top assemblies and the case-bottom assemblies of the
detectors. When receivers are installed, the detectors can still be used in any
Prior to operation, transmitter batteries must be in-
This procedure requires use of the screwdriver contained in the tone
First, the CHAN SEL switch is
Operation of the transmitter requires two steps.
turned to the numbered position matching the UNIT number of the receiver which is
Next, the OPR switch is pushed to the OPR position and held for 5
seconds. When the switch is released, it returns to the OFF position by itself.
When the OPR switch is pushed to
The transmitter includes a built-in battery test.
OPR and the CHAN SEL switch is in the TEST position, the TEST GOOD indicator will
No signal is transmitted when the CHAN SEL
come on if the batteries are adequate.
The TEST GOOD indicator will also come on whenever
switch is in the TEST position.
the OPR switch is pushed to OPR and the CHAN SEL switch is in the 1, 2, 3 or 4
A signal is broadcast when the CHAN SEL
positions if the batteries are adequate.
switch is in the 1, 2, 3 or 4 positions and the OPR switch is pushed to OPR.