Halyard EZstim III ES500 Bedienungshandbuch Seite 8

operating mode (Twitch, TO4, DBS or Tetanus) that flashes when
a stimulus pulse is delivered. Each flash of the pulse indicator is
accompanied by an audible chirp.
The stimulus pulse indicator will not flash if the unit is in an open
lead condition or paused. If the mode is changed when the unit is
paused, the static waveform changes to represent the new mode.
This field is blank only when the unit is in the null mode.
Error Codes: When the unit detects either current leakage or a software
error, it will cease operation and the LCD will display the appropriate fault
code (flashing every 0.5 seconds) until the user turns the unit off.
If either Er1 or Er2 is displayed, the device is defective. Discontinue
using the ES500. Refer to Section 8.0 - Limited Warranty.
If Er3 ( low battery) is displayed, turn the unit off and replace the battery.
Er1: Leakage Current detected
Er2: Software Error detected
Er3: Low Battery detected
2
Stimulus Control Knob: Rotation of this
knob changes the stimulus setting (if paused or open
lead) or the stimulus output current.
3
ON/OFF button: Press this button to turn the
unit ON and OFF.
NOTE: The unit will auto-power off after 20 minutes of an
open lead or paused or null mode condition.
4
Pause button: Press this button to pause and
unpause the stimulus output pulse.
5
Twitch Mode/Stimulus Repetition Rate
button: Press this button to set the unit to the Twitch Mode
and/or toggle the Twitch Mode between 2 Hz and 1 Hz.
6
Chirp Volume-Increase button: Press this button
to increase the volume of the chirp that accompanies each
stimulus output pulse in increments. Press and hold the
button for 4 seconds to reach maximum volume.
7
Chirp Volume-Decrease button: Press
this button to decrease the volume of the chirp that
accompanies each stimulus output pulse in increments.
Press and hold the button for 4 seconds to reach
minimum volume.
6
NOTE: There are five (5) levels of chirp volume, the default and four (4)
levels up from the default.
8
100 Hz ~ Tetanus Mode button: This button
is only enabled when the unit is operating in the HIGH
output range. Press and hold the button to deliver a
100 Hz tetanus stimulus current.
NOTE: The unit provides up to 30 seconds of tetanic
stimulus pulses while one of the Tetanus Mode buttons is actively
pressed. It automatically stops delivering current and returns to the
prior mode setting if the button is not released within 30 seconds.
9
50 Hz ~ Tetanus Mode button: This button
is only enabled when the unit is operating in the HIGH
output range. Press and hold the button to deliver a 50
Hz tetanus stimulus current.
NOTE: The unit provides up to 30 seconds of tetanic
stimulus pulses while one of the Tetanus Mode buttons is actively
pressed. It automatically stops delivering current and returns to the
prior mode setting if the button is not released within 30 seconds.
10
Double-Burst (DBS) Mode button: This button is only
enabled when the unit is operating in the HIGH output
range. Press this button to deliver a Double-Burst
stimulus. The DBS pattern auto-repeats every ten (10)
seconds until another mode is selected, or the unit is
paused or turned OFF.
11
Train-of-Four (TO4) Mode button: This button is only
enabled when the unit is operating in the HIGH output
range. Press the button to deliver a Train-of-Four
stimulus. The TO4 pattern auto-repeats every ten (10)
seconds until another mode is selected or the unit is
paused or turned OFF.
12
Patient Lead Output Connector: 4-pin connector to
attach patient leads for use as follows:
If... Then...
The NSL-5 interface The unit operates only in the HIGH
cable is attached... output range, as a Peripheral Nerve
Stimulator.
The RBW-5U lead The unit operates only in the LOW
wire set is attached... output range, as a Peripheral Nerve
Locator.