Dynatron® 850plus & 550plus
Setting Defaults
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Restore Factory Defaults
If you have saved your own defaults, but would like to return ALL your default settings to
those that were set at the factory, do the following:
1. Turn the machine off.
2. Press and hold the START key while turning the machine on. Continue holding the Start
key down until you hear machine beep briefly and you see the display message “RST FP”
which indicates the parameters have been reset. You may now proceed with treatment
setup.
Interferential Default Settings
• High
• Target
• Channels 1 and 2
• Time: 10 minutes
• Frequency Ranges (for both Interferential and Premodulated)
Default High Range: 80-150 Hz
Default Low Range: 0-10 Hz
Available Range: 0-150 Hz
Premodulated Default Settings
• High
• The first available channel (1 or 2)
• Time: 10 minutes
• Frequency Ranges (for both Interferential and Premodulated)
Default High Range: 80-150 Hz
Default Low Range: 0-10 Hz
Available Range: 0-150 Hz
NOTE: The default frequency ranges and the High/Low option you set will be the default
settings for both Interferential and Premodulated treatments. However, every treatment may
be modified to have unique settings regardless of the defaults you set.
Russian / Biphasic Default Settings
• Normal mode
• 10/30 contraction/rest times
• Treatment time: 10 minutes
• Ramp up and down time: .5 sec.
Russian Stimulation:
Default Setting Valid Range
Pulse Rate 50 Pulses per second 1 to 500 (depends on Pulse Width)
Pulse Width 10 mSec .4 to 50 mSec
Biphasic Stimulation:
Default Setting Valid Range
Pulse Rate 50 Pulses per second 1 to 500
Pulse Width 200 µSec 50 to 400 µSec