Transmitter Callout Features
1. Input Jacks
Non-polarized, standard banana plug type.
2. Power Indicator
When the transmitter is On, the LED illuminates
indicating that a signal is being produced.
3. Line Energized Indicator
The transmitter continuously monitors the voltage
across its input terminals. If greater than 30 volts
AC/DC is present, the LED indicator illuminates.
The transmitter also communicates the line voltage
state to the receiver.
4. Low Battery Indicator
When the batteries approach the 10% discharge
point, the LED begins to flash. As the batteries
continue to deplete, the LED switches from flashing
to a steady-on state. At this point, the batteries are
fully exhausted and require replacement.
5. Power Button
Depress the button to switch power on and enable
the transmit function. Depress again to conserve battery
power when not in use.
6. Operating Range
Operates on energized/de-energized circuits from 0 to 600V AC/DC.
7. Battery Compartment
Holds (4) AA batteries for maximum transmit power and battery life.
8. Safety
Rated for use in Cat III-600V environments and has a high-energy, fast-acting fuse for
additional protection.
Additional Notes
•
The transmitter’s signal does not affect sensitive, electronic equipment on the circuit.
•
In a closed circuit, because the transmitter generates a small load current, its signal
can be detected upstream through the feeder panel and the distribution transformer.
The strength of the signal is reduced as it passes through the transformer in inverse
proportion to the turns ratio of the transformer.
•
Can be used on GFCI protected circuits.
Cat III - 1000 V
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Receiver Callout Features
1. Super Bright Display
See next page for features.
2. Battery Power
Depress this button, at anytime to display
the % useful battery life remaining. Replace
the batteries at depletion.
3. Audible Indication
Depress this button to turn the sound On/Off.
If On is selected, a variable pitch/tone is
produced - directly proportional to the signal
strength.
4. Sensitivity Mode:
Depress this button to select the mode of
sensitivity*:
Mode
RC-954 RC-958 Antenna Strength
Search High
“1”
“SH”
highest sensitivity
(default mode)
Search Low
“2”
“SL”
high-medium
sensitivity
Trace
“3”
“TR”
medium-low
sensitivity
Breaker
“4”
“BR”
lowest sensitivity
* See Additional Notes on next page for guidelines on mode selection.
5. Power Button
Depress to switch power on and enable operation. Depress again to conserve battery
power when not in use.
6. Battery Compartment
Holds (3) AA batteries.
7. Safety
Rated for use in Cat III-600V environments.
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ND 6364-2 Circuit Tracer Instru 3/5/07 1:39 PM Page 5