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The TensMed 931 has an intelligent intensity adjustment to minimise delay in waiting for the next work
period, and to avoid confusing the sensation from the two channels.
When either intensity button is pressed, the work/rest cycle is interrupted, and the other channel intensity
drops to zero. You can then set the intensity required. After you have finished setting, the intensity will
remain at the set level for 4 seconds, then both channels will begin the next rest period.
In Program H only, The TensMed 931 has a high intensity setting, extending output intensity range to
90mA into 1kOhm if this is required.
The first 2 presses of the Intensity button increase the output by about 6V. Thereafter each press of the
Intensity button changes intensity by about 1V in normal mode and 2V in high output mode.
If the Intensity button is held down > 0.5 sec it starts to scroll at two steps per sec (22 seconds to full
scale). If it is held > 2 seconds it scrolls at five
steps per sec. When it is released it reverts to single steps.
The bar graph on the LCD shows the intensity selected.
The first segment lights as soon as intensity is above zero.
Each subsequent segment represents approx 4.5V (6 V in high intensity mode)
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If the unit is accidentally switched on and no other button is pressed within the next 5 minutes, the unit will
automatically switch off.
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The TensMed 931 unit has the following special features:
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When the unit is switched on an audible beep will be emitted. When the unit is switched
off there will be two audible beeps.
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When the unit is on the LED light will light up. The light is located at the front of
the unit.
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There is a low battery detector in the unit. The LCD screen will flash
the symbol of a battery when the batteries need replacing.
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The choice of program depends on the results you wish to achieve.
Program Pulse
frequency
[Hz]
Phase
duration
[µs]
Ramp
On in
[s]
Ramp
Down
[s]
Plateau
[s]
Total
Work
[s]
Rest
[s]
Default
Program
Duration
[min]
A 10
300
1
1
30
32
15
20
B 20
250
1
1
5
7
5
20
C 50
250
1
1
5
7
10
20
D 75
250
1
1
5
7
15
20
E 20
100
1
1
5
7
10
20
F 50
100
1
1
5
7
10
20
G
X
X X X X X
X
H
High
Intensity
Max 50
X
X
X
X
X
X
R 20-100
100
Frequency modulates from 20Hz to
100Hz and back in 12 secs
Continuous
S 110
50
Continuous
T 110
50
Burst
2Hz
Continuous
Содержание TensMed 931
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