LSI System II
Interferential with Russian Stimulation
Owner’s Manual
Toll Free: 800-832-0053 • Fax: 866-216-2541
LSI International, a division of Medical Outfitters, LLC
Rev.B OM001 Updated 06/2012
KC Metro Area: 913-894-4493
lsiinternational.com
640 Miami Ave
Kansas City, KS 66105-2140
SET
PREMOD
SWEEP
START STOP
SWEEP
START STOP
SET
TIMER
FREQUENCY
VECTOR
3-5 Hz
1-15 Hz
80-120 Hz
1
2
mA mA
1-150 Hz
2500 Hz
4000 Hz
10/10
10/50
B
A
G
L
M
O
P
Q
KJ
I
H
E
D
F
C
N
SYSTEM II
INTERFERENTIAL
REMOTE
STOP
1 2
S
R
Control Panel
Features
The LSI System II contains a current test feature which senses the quality of the electrode contact. If your
electrodes are making poor contact with the tissue, the unit will emit a beeping tone and the LEDs on the
mA output will drop to 0 and ash. If this occurs, recheck your electrodes and lead wires to ensure proper
contact and again increase intensity with the intensity keypads.
A - FREQUENCY READOUT: Indicates frequency at which the unit is set. Will read actual burst frequency
when in PREMOD mode and will read difference between channel 1 and 2 in frequency difference
mode. (PREMOD light off)..
B - FREQUENCY SELECTION: Use the frequency range of your choice. Frequency readout will show top
of range selected prior to activation of SWEEP mode.
C - FREQUENCY ADJUST: Use to set a specic frequency. As as example, to set 50 Hz, rst set Frequency
Selection at the 1-15 Hz range, then press up the keypad to increase frequency to 50 Hz.
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D - PREMOD: When off (no light), channel 1 will operate at an uninterrupted 4000Hz and channel 2 will
operate at 4000Hz plus the frequency selected on function A (Frequency Readout). When on (light on),
both channels will operate at a carrier frequency of 4000Hz and both channels will be synchronized to
deliver the frequency as shown in function A.
E - SWEEP: Frequency will sweep between the range indicated in function B ( Frequency Selection).
Press key pad to activate light and this function.
F - SET: This key is used for a special programming option. Please refer to page 10.
G - TIMER: Indicates treatment time remaining.
H - TIMER SET: Set key automatically enters 10 minutes to timer.
I - TIME ADJUST: By pressing the up or down key, the treatment time may be raised or lowered from the
10 minutes which is set automatically.
J - START: Activates timer and outputs to channels 1 and 2.
K - STOP: Stops timer and output to channels 1 and 2.
L - MILLIAMPS OUTPUT: Indicates the output, measured in milliamps, which is actually being delivered
to the tissue.
M - CURRENT OUTPUT CONTROLS: Keypads will increase or decrease the delivered current to channels
1 and 2.
N - 2500HZ MODE: Automatically activates 50Hz premodulated setting typically used for Russian Stimu-
lation and muscle spasm reduction. When using the 2500Hz setting, SWEEP and VECTOR controls will
be in the off position. For simplication, these features are programmed in a locked off mode.
O - 10/10 MODE: Activates the 10 second on and 10 second off function. When activated, the off portion
of the cycle will precede the on portion. Automatic ramping of 2.5 seconds up and 2.0 seconds down is
provided.
P - 10/50 MODE: Activates the 10 second on and 50 second off function. When activated, the off portion
of the cycle will precede the on portion. Automatic ramping of 2.5 seconds up and 2.0 seconds down is
provided.
Q - VECTOR: When activated, channel 1 and 2 will alternately drop 20% from their preset output and
return to the preset gure.
Notes Concerning Functions M, N, O and P: As a safety feature, output cannot be changed while the
10/10 or 10/50 functions are in the off cycle or when the VECTOR light is on. Also, since there is no reason
to utilize the VECTOR while the 10/10 or 10/50 functions are in use, the unit will not allow dual activation.
R-
REMOTE STOP: Depressing the button on the remote control will stop all output of the unit. A repeating
tone will sound, signaling the operator that the patient has activated the switch.
S - OUTPUT JACKS: Output jacks for channel 1 and 2.
***Complete operating instructions with examples are reviewed in the Instructional Video (CD-ROM) provided with your unit.***
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Special Programming Options
The LSI System II allows for several special programming options.
1- To create a frequency range: (Example: 70 to 100Hz)
a. Select 80 – 120Hz range.
b. Use down arrow on frequency adjust to lower readout to 100Hz, then push SET control in frequency section.
c. 80Hz will now appear in a ashing mode. Use down arrow on frequency to lower readout 70Hz, then
push the set control again.
d. 10 will now ash in the timer section. You can either change the timer with the arrows under the
timer SET control or leave the timer at 10. To set the time selected, again push the SET control in
the frequency section.
When SWEEP and START are activated, the frequency will sweep between 70 and 100Hz. Any range 1Hz
to 250Hz can be established.
2 - To change on and off times and ramp times under the 10/10 and 10/50 controls:
a. Select 2500Hz. This will automatically activate the 50Hz premodulated settings.
example uses the 10/10 control. The procedure is the same for 10/50.
b. While in the
seconds on (left LED) and 10 seconds off (right LED). On and off times can be changed by pressing
up or down arrows. When new on and off times are selected, press 10/10 key again. Now ramp times
are displayed with ramp up on the left LED and ramp down on the right LED. These can be changed
in .5 second increments by using up or down arrows. Push the 10/10 key again. The new times are
now programmed in. Push START, increase mA output to desired contraction, then push 10/10 to
begin on and off sequence.
3 - To program two treatments back to back:
Some clinicians have desired to treat the same area with two different frequencies, one treatment following
the other without resetting the unit. As an example, you may want to treat at 80–120Hz for 6 minutes
followed by 3 – 5 Hz for another 6 minutes. This can be accomplished as follows.
a. Select PREMOD and/or SWEEP functions.
b. Select 1st treatment range (i.e. 80 - 120Hz)
c. Press SET (in frequency adjustment section) to accept 120.
d. The 120 will change to 80 and ash.
e. Press SET again to accept the 80 Hz setting.
f. The 10 will now ash in the timer selection. To lower the time to 6 minutes use the down arrow until 6 appears.
g. Press SET again (in frequency adjustment section). The rst treatment of 80 - 120Hz for 6 minutes
has now been entered.
h. Now press the 3 - 5Hz setting.
i. Press SET to accept the 5Hz, 3 will now ash.
j. Press SET to accept the 3Hz, 10 will now ash in the timer section.
k. Push the down arrow under the timer to lower the time to 6 minutes.
l. Press SET again (in the frequency adjustment section) to enter the 6 minute treatment time.
Both treatments have now been stored.
m. Press START and increase the intensity to patient comfort. After the rst treatment (80 – 120Hz for
6 minutes) has been completed, the second treatment (3 – 5Hz for 6 minutes) will automatically begin.
STOP mode, push 10/10 key. 10 and 10 will appear above the mA. This signies 10
The following
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CAUTION
1) Never turn the unit on or off (by means of the on/off toggle switch located on the back of the unit) while a patient is attached to the unit via the lead wires and electrodes.
2) Never operate unit during lightening, thunderstorms or any condition that could have an adverse effect on continuity of
power ow to the unit.
3) Never operate unit in close proximity to any type of diathermy device.
4) Federal law restricts this device to the use or sale to a physician or other practitioner in the state or
province in which said person is licensed and practices.
5) Do not use this device when treating electrically susceptible patients such as those with pacemakers, etc.
6) Use extreme caution when treating areas of impaired sensory response or patients unable to report discomfort and pain.
7) Do not apply electrodes transthoracically, in the vicinity of the eyes, carotid sinus nerves or transcerebrally.
8) This device is not recommended for patients who are pregnant or who suffer from heart disease.
9) This device should not be used to relieve chronic pain until etiology has been established.
10) Application of electrical stimulation can produce irritations at the stimulation site. This may be caused by the elec
trodes, or other media in contact with the skin. Determine the cause of the irritation and replace the item as necessary.
11) Electrical stimulation should only be applied with an effective coupling medium. LSI recommends the use of LSI Silver
Tab Electrodes included with your unit.
12) Electrical stimulation is contraindicated in the case of malignant tumors, cancerous lesions, acute or severe inamma
tion, circulatory insufciency or the danger of hemorrhage.
13) Do not use simultaneously in the same treatment area with cold packs or heat therapy, either wet or dry.
14) Keep this device out of the reach of children.
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15) Do not use in general area where high powered frequency transmitting units are being operated.
16) Shortwave diathermy should not be turned on or used at the same time, as it may interfere with the proper operation of
the LSI System II Interferential.
17) Do not use the same power outlet or line with whirlpool, traction machines, and any other heavy electrical machines
or motors.
18) This unit requires a grounded outlet. If you have any doubts as to the quality of the electrical wiring in your clinic,
please have it checked and veried by a professional.
NOTE: In order to ensure proper and safe operation of your
LSI unit, it is absolutely necessary that only LSI DIN PIN
leadwires like those supplied with this unit be used.
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