TIMER RESET:
Located on the upper
right corner of the front panel. This
switch allows the user to reset the 6
digit seconds timer back to 0.
DUTY CYCLE:
Located on the
upper left center of the front panel.
This switch controls the percentage
of time the output pulse is on out of
the time from the start of one output
pulse to the start of the next output
pulse. When the duty cycle is set
to DC, the electrofisher puts out a
constant DC voltage determined by
FRONT PANEL CONTROLS AND INDICATORS
CONTROLS & CONNECTORS (CONT.)
the voltage range switch.
FREQUENCY:
Located on the upper
left of the front panel. This switch
controls the output frequency
or pulses per second of the
electrofisher. When the duty cycle
switch is set to DC, Gated Burst 2
pulse or Gated Burst 3 pulse, this
switch has no effect on the output
of the electrofisher.
DISPLAY:
Located in the top center
of the front panel. The display
shows the number of seconds the
LR-20/LR-20B FRONT PANEL -
Top to bottom, left to right: Frequency, Duty
Cycle knobs; Timer Reset Button; Display Window; Voltage Range Switch; Audio
Alarm; Warning Light.
output of the LR-20 has been active
since the last timer reset, the output
voltage and current and a fuel
gauge type display of the battery
voltage. The backlight of the LCD
display is always on when the
electrofisher is on; this allows easy
viewing of the display even in deep
shadows without the need to open
the front cover and turn on another
switch.
VO LTAG E R A N G E S W I T C H :
Located on the left side of the
front panel. This 11-position switch
controls the output voltage of the
electrofisher. Voltages between 50
and 990 volts may be selected.
WARNING LIGHT:
Located in the
bottom center of the front panel.
Wide viewing angle, high brightness
red LED's flash once per second
whenever 30 volts or more are
present between the anode and
cathode and also when the unit is
first switched on.
AUDIO ALARM:
Located on the
right side of the front panel. A
high volume audio alarm with
volume shutters provides additional
warning whenever 30 volts or more
are present between the anode
and cathode. In addition, the beep
rate gives an indication of the
power being drawn by the unit. It
also sounds when the unit is first
switched on.
USER’S GUIDE
5
2018