Pulse Width; Pulse Intensity; Cycle-Controlled Pulse Parameter Variation; Unit Description - Sanitas SEM 40 Mode D'emploi

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3.3 Pulse width
Pulse width is used to indicate the duration of an indi-
vidual pulse in microseconds. Pulse width also determines
the penetration depth of the current whereby in general,
the following applies: a greater muscle mass requires a
greater pulse width.
3.4 Pulse intensity
Setting the degree of intensity is individually dependent
on the subjective feeling of each individual user and is de-
termined by a number of parameters such as application
site, skin circulation, skin thickness as well as quality of electrode contact.
The actual setting should be effective but should never produce any unpleas-
ant sensations such as pain at the site of application. While a slight tingling
sensation indicates sufficient stimulation energy, any setting which leads to
pain must be avoided.
With prolonged application, readjustment may be necessary due to time
adjustment processes at the site of application.
3.5 cycle-controlled pulse parameter variation
In many cases it is necessary to cover the entirety of tissue structures at the
site of application by using several pulse parameters. With the Digital EMS/
TENS unit, this is done by the existing programmes automatically making a
cyclical pulse parameter change. This also prevents individual muscle groups
at the site of application from getting tired.
With the Digital EMS/TENS unit there are useful presettings for current
parameters. During the application, however, you do have the possibility of
changing pulse intensity at any time and, with individual programmes, you
can also alter pulse frequency beforehand in order implement the application
which is the most comfortable or promises the most success for you.
4. Unit description
4.1 Description of components

Pulse width

Display (main menu):
A Pulse intensity
B Programme/cycle numbers
C Frequency (Hz)
D Low battery
E TENS/EMS/MASSAGE submenus
F Timer function (residual time indicator)
G Operating status display
Keys:
a  UP and  DOWN selection keys
b ENTER key
c ON/OFF key
d MENU key
e CH1+, CH1-, CH2+, CH2- keys
Accessories:
• 1x connection cable (with 2 separately controllable channels, recognisable
by their difference in colour)
• 4x adhesive electrodes
(45 x 45 mm)
• 1x belt clip
4.2 Key functions
Every time a key is pressed, this is acknowledged by a signal tone in order to
ensure that any unintentional pressing of a key is detected. This signal tone
cannot be switched off.
ON/OFF
(1) Hit briefly to switch on the machine. If the key is held down for 10
seconds when switching on, the unit automatically switches off again.
(2) Press once to interrupt stimulation treatment = pause mode.
(3) Hold ON/OFF key down (approx. 3 seconds) to switch off the machine.
 and 
(1) Select between (A) treatment programme, (B) frequency and (C) treatment
time.
20
A
E
B
F
C
G
D
a
c
b
d
e

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