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LR-24
BACKPACK ELECTROFISHER
AUDIO ALARM
The audio output alarm indicates 4 different LR-24
operating conditions and is composed of two tone-emitting
units; one high pitched and the other low pitched.
1. Presence of high voltage in the water:
Whenever the
anode and cathode are in the water and more than 30
volts are present, there will be an audible tone emitted
by the alarm.
2. Average power output level:
The Audio Alarms emit
pulsed tones to indicate average power output level:
Average power output level
Watts
Audio Tone in secs.
0 to 99.9
1 pulse per second
100 to 199.9
2 pulses per second
200 to 299.9
3 pulses per second
300 to 400
4 pulses per second
3. Power Limit mode:
When the LR-24 output power
reaches the user set power limit, the audio tone alternates
between the high and low pitch at the rates specified
above.
4. Dual Output mode:
In this mode, the LR-24 can oper-
ate with a primary or secondary user-specified voltage/
waveform combination. The selection between the two
combinations is accomplished by rapidly double pressing
the anode pole switch. The primary voltage/waveform
is assigned to the high-pitched tone and the secondary
voltage/waveform is assigned to the low-pitched tone.
ANODE SWITCH
A magnetic reed switch is used for the anode pole switch.
This switch has direct shutdown control of the high voltage
output safety relay inside the LR-24. Releasing the flapper
for the switch turns the switch off (
Fig. 4.4
).
SECTION 4: SAFETY FEATURES DESCRIPTIONS (CONT.)
SAFETY DOS AND DON'TS
DOS:
1. Always be sure that all
personnel are clear of the
electrodes before turning
on the power.
2. Know how to administer
first aid treatment for
electrical shock.
3. Wear flotation devices.
4. Have electrical circuits
checked only by qualified
technicians.
5. Disconnect the power
supply when the
electrofisher is not in use.
DON’TS:
1. Don’t electrofish alone!
2. Don’t continue to
electrofish if boots or
gloves get wet inside.
3. Don’t operate an
electrofisher with any prior
heart ailments.
4. Don’t electrofish when
tired.
Fig. 4.4
ON
OFF