Operating The Apparatus; Introduction; Switch On The Apparatus; Therapy And Channel Selection - Enraf Nonius Sonopuls 492 Instrucciones De Manejo

5.2. Operating the apparatus

5.2.1. Introduction

5.2.1.1. Switch on the apparatus

Turn the apparatus on with switch [1]. The appara-
tus executes a self test, checking all important func-
tions and presents itself with the start up settings.
The start up settings are adjustable at memory loca-
tion 0. To personalise the start up settings, refer to
chapter 5.4, Memory Functions.

5.2.1.2. Therapy and channel selection

The Sonopuls 492 is equipped with two electro-
therapy channels and one ultrasound channel. These
channels can be used independently, each channel
offering its own set of parameters and treatment timer.
It is also possible to link channels. Use button [7] to
differentiate between the basic therapy functions Elec-
trotherapy and Ultrasound therapy and use the cen-
tral controller [16] to select or link channels. The
following selections are available:
electrotherapy on current channel 1
electrotherapy on current channel 2
electrotherapy on linked channels
ultrasound therapy
combination therapy (ultrasound therapy
linked to current channel 2)
Consider that independent use of the electrotherapy
channels requires adjusting all parameters on both
channels. When this is not desired, or when inde-
pendent use is not needed, you can also link the
channels. Some waveforms, such as interferential
currents are only possible on linked channels. When
you select combination therapy, current channel 1
remains available for independent use.

5.2.1.3 Selection of current waveform

Press button [8]. All waveforms appear on the dis-
play, the currently selected one blinking. Select a
current waveform using the central controller and
press button [14] to accept the selection.
When you select
(Diadynamic current group), you will be re-
quested to select a current type within this group.
Select the current type using the central controller
[16] and press button [14] to accept the selection.

5.2.1.4 Adjusting parameters

Press the buttons [9] thru [13] to select a parameter. A
button effects all parameters that are in line with it on
the display. Once selected a parameter can be ad-
justed, using the central controller [16]. A parameter
can be modified, as long as the icon identifying it is
34
blinking. The display will only show those parameters,
that are applicable to the selected therapy.
(interferential current group) or

5.2.1.5 Treatment timer

Press button [12] to select the treatment timer. The
min icon is blinking. The display shows the treat-
ment time of the channel, that is currently present
(selected under 5.2.1.2.) on the display. As a re-
minder, a channel indicator is blinking above the
treatment timer value. Only the treatment timer of
this channel can now be modified, using the central
controller [16].
When one or more channels are active
ing. An indication of the currently active channels is
available above the treatment timer value.

5.2.1.6. Surge programs

Some current waveforms can be embedded in a
surge program. Press button [12] to sequentially
select ramp up time
time and interval time
eters using the central controller [16].
When the current channels are linked, the surge pro-
grams are identical on both channels. In this mode
a delay time can be set between the start of the
surge program on channel 1 and on channel 2. This
is done as follows:
Press button [13] and select channel 2 using the
central controller [16].
Next press button [12] to select the delay time
and adjust it using the central controller [16].

5.2.1.7. Current intensity

The current intensity is adjusted using intensity con-
troller [17]. The current intensity can only be ad-
justed when the clock has been set.
The channel indicator
number or indicates the channel, that is currently
present on the display and that can be adjusted.
You can change the channel number, using button
[13] and the central controller [16]. This selection
operates in parallel to the channel selection de-
scribed in paragraph 5.2.1.2.
At 4-pole current waveforms the intensity controller
[17] operates on both channels simultaneously. On
the display this is indicated by
channel that is currently displayed is blinking. In this
case a balance control facility is available for the
classical interferential current waveform (see para-
graph 5.2.2.9. for details).
The unity of the displayed current intensity depends
on the previously selected current waveform and can
be expressed in mA, µA or V.
A treatment is started by adjusting the current inten-
sity, unless a surge program has been selected. Press
button [14] to start a treatment that includes a surge
program.
The indicators and
is actually flowing from the corresponding channels.
A blinking current intensity value indicates a poor
electrical contact with the patient.
is blink-
, hold time , ramp down
. Adjust these param-
, followed by the channel
, in which the
will show up when current