Manual
iMSO-204x
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Manual Table of Contents
Section 1 – Getting Started – SAFETY
1.10 Quickstart Guide
1.20 SAFETY
1.30 Compatibility
1.31 Hardware
1.32 Software
1.40 Tool Tips
Section 2 – How it works
2.10 Menus
2.20 Analog Channels
2.21 Analog Channels On / O
2.22 Analog Channels 1x / 10x Probe
2.23 Analog DC / AC Coupling
2.24 Channel Labeling
2.25 Math On / O
2.26 Math Functions
2.30 Digital Channels
2.31 Digital Channels On / O
2.40 Cursors
2.41 Cursors On / O
2.42 Cursors Axis
2.43 Cursor Mode
2.44 Horizontal Cursors
2.45 Vertical Cursors
2.46 FFT Units
2.50 Measurements
2.60 Trigger
2.61 Analog Triggering
2.62 Digital Triggering
2.63 Auto vs Normal
2.64 Delay
2.65 Holdo
2.66 Single-shot Waveform Capture
2.70 Pinch-to-Zoom
2.80 Demo
2.81 Demo Functions
2.82 Demo Amplitude
2.83 Demo Frequency
2.84 Demo DC Oset
2.85 Demo Duty Cycle
2.90 Settings
2.91 Grid Settings
2.92 Alerts
2.93 Persistence
2.94 Sounds
2.95 Compensation
2.96 Screenshot
2.97 Email
2.98 Manage Data Log
2.99 Configuration Settings
Section 3 – Product Warranty & Accessories
3.10 Product Warranty
3.20 Accessories
3.21 1x / 10x Analog Probe
3.22 Logic Harness
3.23 SMD Grabbers
3.24 Screwdrivers
Section 4 – Performance
4.10 Detailed Specifications
4.11 Performance Optimization
Section 5 – How to Contact Us
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Section 1 – Getting Started
1.10 Quickstart Guide
iMSO-204x has universal platform support. It works with iOS, Android, PC, Mac.
The Quickstart Guide is available for reference below:
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1.20 SAFETY
The maximum voltage limit for the analog probe in 1x mode is -8v / +13v, and the maximum
voltage limit in 10x mode is -40V / +40V. The maximum voltage limit for the digital channels
is -.0.5v to +7v. Oscium is not held liable for usage outside of these limits.
1.30 Compatibility
1.31 Hardware
Oscium’s iMSO-204x has universal platform support; it works with iOS, Android, PC and Mac.
For iOS to work, the host device must have a lightning connector.
For Android to work, the host device needs to have USB OTG (On-The-Go).
Also, here are the details for the physical connector to the host:
Connector (to host) Mini-B to Lightning, Mini-B to Micro-B
Mini-B to USB A
1.32 Software
System Requirements
(Software)
iOS version 7.0 & higher
Android version 4.0.3 & higher
Windows 7 & higher
Mac OS 10.10 (Yosemite) & higher
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1.40 Tool Tips
Although having a manual is nice (and if you’re reading this, you probably agree), it is even
better when there’s help built into the app itself. Here is a screenshot of some of the tool tips
we’ve built into the app (this picture is found on iOS 7 software and newer):
i
This tool tip is only available (1) when the demo app is first launched or (2) after hardware has
been connected and is now disconnected. In both situations the same alert box appears:
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Section 2 – How It Works
2.10 Menus
The manual describes how iMSO works on your host device.
iOS, Android, PC or Mac Software
The menu bar can be hidden or revealed by sliding the arrows located in the bottom right
corner of the app to the left. To uncover the summary bar simply slide the arrows (now
located on the bottom left corner of the app) to the right.
The Summary Bar The Menu Bar
The menu bar works this way as of the iOS 7 update. For users not on iOS 7, the menu bar can
be hidden or revealed by sliding up (or down) on the word menu in the bottom middle of the
screen.
The menu bar has sub menus that can be selected by touching the appropriate word or icon.
When hardware is not connected the following options exist in the menu bar:
When hardware is connected on an iPhone or iPod touch, changes to . The demo
mode icon disappears on the iPad when hardware is in use. In addition, Oscium has a single
shot mode that is enabled by pressing and holding or . Upon holding one of those
icons, it will change to .
2.20 Analog Channels
The two analog channels are represented by green and blue signals. Simply touch either the
green or blue rectangle on the left. Leave your finger on the box and then move
the channel position either up or down.
2.21 Analog Channels On / O
Touch
on the menu bar. Channels can be turned either on or off with a tap to
or .
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2.22 Analog Channel 1x / 10x Probe
The analog probe has a sliding red lever that allows the user to move between 1x and 10x
modes. Once a mode is selected on the analog probe, chose the matching state by selecting either
or
To enable 10x mode, the user must slide the red lever located on the physical probe. The 10x option
located in software only changes the voltage scales in software; it does not actually divide the
voltage. Please remember to slide the red lever on the physical probe for all 10x measurements.
. The selected state will be gray and the unselected state will be translucent.
2.23 Analog Channel DC / AC Coupling
When current is flowing in the same direction, touch .
When current is changing directions, touch . The selected state will be gray and the unselected
state will be translucent.
2.24 Channel Labeling
Touch
word LABEL. A keyboard will appear. Enter the desired name using the keys on the keyboard.
When finished touch away from the keyboard and the name will display next to the word
LABEL in the analog menu. Your custom label will also appear next to that waveform.
on the menu bar. Then, touch either or to the right of the
2.25 Math On/O
Touch on the menu bar. At the bottom of the menu, MATH appears. to turn MATH on,
touch and it will change to . The function will appear on the screen in red. To turn
MATH off, touch and it will turn to indicating MATH is deactivated.
2.26 Math Functions
Touch
will appear with the following options:
Use the pick wheel to select the desired setting. To activate the setting tap away from the
menu. The appropriate symbol should then appear in the selection box: , or .
After identifying the appropriate symbol, the source needs to be selected. Simply touch the
selection box to the right of the previous FFT box. A pick wheel will appear. Once
the desired source settings are selected, touch away from the menu. The appropriate sources
for both A and B are displayed directly below this selection box.
on the menu bar. Then, touch the box directly below the word MATH. A pick wheel
2.30 Digital Channels
The purple, yellow, blue and orange signals represent the four digital channels. Simply touch
the far left rectangle of the desired digital signal. Leave your finger on the rectangle and
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move the channel position either up or down.
2.31 Digital Channels On / O
Touch on
Each channel can be turned either on or off by touching either
2.40 Cursors
2.41 Cursors On / O
Touch on the menu bar. Touch
the menu bar. The following menu will appear:
to activate cursors.
or
2.42 Cursor Axis
Then, touch either the
touching the bubble on the far left of that signal. For example, if D1 is selected, which is the purple
signal, the cursors will change to purple. Then, if D2 is selected, the cursors will change to yellow
to match the color of D2, which is yellow. After selecting the appropriate signal, make sure the
menu bar is pulled down so that the summary screen appears. Metrics relating to the cursors
appear in the center of the summary screen and in the color of the signal that is being viewed.
cursor or the cursor. Select which signal to view by
2.43 Cursor Mode
There are two modes available on this device: and . Upon activating
cursors, two lines will appear. One is dotted and the other is solid. The solid line is active and
can be moved by touching the line and while holding that line moving it either up or down.
While in tracking mode both the solid and dotted lines will move together. In independent
mode the solid line is the only line that can be moved. Additionally, dynamic metrics related
to the solid line are available in the summary screen located at the bottom (and in the color of
the selected channel). Tap on the dotted line and it will become a movable solid line, while the
other line will change to dotted.
2.44 Horizontal Cursors
Touch the icon from the menu bar. Touch to activate cursors.
Touch from the cursors menu and it will change from to .
Touch
and
to turn the horizontal cursors on and off respectively.
On the main screen, touch and swipe the desired cursor in the vertical direction and place
where desired. The selected cursor will be displayed as a solid line and the un-selected cursor,
a dashed line. The position of the selected cursor is indicated next to @V in the summary bar.
The distance between the two cursors is indicated next to ∆V in the summary bar.
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2.45 Vertical Cursors
Touch the icon from the menu bar. Tap
the cursors menu. On the main screen, touch and swipe the desired cursor in the horizontal
direction and place where desired. The selected cursor will be displayed as a solid line and the
un-selected cursor, a dashed line. The position of the selected cursor is indicated next to @t in
the summary bar. The distance between the two cursors is indicated next to ∆t in the summary
bar. The voltage level at the point where the selected cursor crosses the waveform is indicated
in the summary bar next to @V and the vertical difference between the crossing points of the
two vertical cursors is indicated in the summary bar next to ∆V. When using vertical cursors
with the analog channel both @t, t and @V, V will be visible in the summary bar.
Verify that cursors are selected. To move cursors independently of one another,
touch
. The following options are available: .
To move cursors as a single unit with a fixed distance between them, touch
.
to activate cursors. Touch from
1.If cursor data is to be displayed in Base, touch
the unit of time.
Time settings available in the Base option include: . The option sets the unit of
measure in seconds. The option sets the unit of measure in hertz.
The options next to the word UNIT set
.
2. If cursor metrics are to be displayed in Phase, touch . The options next to the phrase
360° WITHIN sets the phase. The option of sets 360° within 5 divisions. The option
sets 360° between the two cursors.
3. If cursor data is to be displayed as a ratio, touch
WITHIN set the ratio. Ratio settings available next to 100% WITHIN include: . The
option of sets 100% within 5 divisions. Since there are 10 divisions in the horizontal time
scale, this option effectively cuts the screen in half. The option sets 100% between the two
cursors.
. The options next to the phrase 100%
2.46 FFT Units
Touch the icon from the menu bar. The options next to the phrase FFT Units will set the
voltage units. Voltage options available in the FFT Units option include and . By
touching the option the voltage units will display as volts in the summary bar. Touching the
option will change the voltage units to dBv.
2.50 Measurements
Touch from the menu bar. Fifteen different measurements exist: Min, Max, Mean, Peak to
Peak, RMS, Duty Cycle (+), Duty Cycle (-), Pulse Width (+), Pulse Width (-), Cycle Mean, Cycle
RMS, Frequency, Period, Rise Time, and Fall Time. To scroll through the measurement options,
touch . Then, scroll through the pick wheel to choose the desired measurements. To
activate the settings touch away from the menu.
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Up to six measurements can be selected for either CH A or CH B or a combination of both. Once
selected, measurements appear on the top right of the interface.
2.60 Trigger
2.61 Analog Triggering
The trigger level is controlled with the bubble located on the far right of the screen. If the
bubble is green the triggered signal is CH A. If the bubble is blue, it is triggering on
CH B. To change the trigger from CH A to CH B, touch
select the SOURCE to be triggered.
Then touch
.
Then simply
.
To change the voltage level, simply touch and drag the bubble either up or down. Moving the
level up will increase the voltage level and moving it down will decrease the voltage level. The
exact voltage level will appear just to the left of the bubble along with either an up arrow or a
down arrow. An up arrow indicates that the trigger is on a rising edge; a down arrow indicates
that the trigger is on a falling edge. It is also possible to change the trigger level in the
advanced triggering menu. Tap
To navigate to an exact trigger level touch on next to the word LEVEL. The analog
trigger level pick wheel should then appear.
To select the desired trigger level touch and drag in each of the four columns until the specific
value is reached. To activate the settings touch away from the menu. When analog triggering
has been enabled, then all the advanced options for digital triggering will be grayed out.
Then tap
.
and, when active, it will change to .
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To reactivate the analog trigger, touch . If the analog triggering is grayed out, it is disabled.
Then touch any of the options on the picture below and it will no longer be grayed out.
Analog triggering is always available in demo mode; it is not possible to deactivate until
hardware is used.
To trigger off of a rising edge, touch . If rising is already activated it will look like ,
this means that falling is deactivated, because both falling and rising cannot be active at the
same time. If it is deactivated it will look like , and falling is activated. Touch it once and
it will activate to
Falling should look like when activated and when deactivated.
. To trigger off a falling edge the same procedure should be followed.
To recenter your trigger level, touch
and your signal will be brought in line
with CH A.
2.62 Digital Triggering
This feature is only available with hardware; it is not available in demo mode. When in demo
mode all the digital triggering options are grayed out.
1. Touch from the menu bar. Then touch at the top of the menu to view more
advanced digital triggering options. All the options may be grayed out (because analog and
digital triggering can’t both be active at the same time). If analog is grayed out, digital is active
and vice versa. To activate the desired trigger, touch one of the advanced triggering options.
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Then, the option that is touched will activate. From the menu, select the desired triggering
function from these options: single channel only
, a single event on one of two channels
2. Below the selected triggering functions touch or to select the digital channel from D1
to D4 to be used as channels A and B, respectively.
, simultaneous events on two channels
, or concurrent events on two channels
.
3. After locating the desired digital channel, touch
. In the previous example, channel A is now D4. Now, the bubble that appears on the far
left of D4 will have an A inside
for B, when applicable.
4. To choose whether triggering occurs on a rising or falling edge, either select for a falling
edge or select for a rising edge.
The A indicates that D4 is now A. Repeat the same process
.
and when activated, it will change to
2.63 Auto vs Normal
Touch . Then touch
if activating AUTO mode touch and it will change to . Repeat the process for
NORMAL mode. The default setting is AUTO.
. Touch the desired mode, either AUTO or NORMAL. For example,
2.64 Delay
To set the trigger delay from the main screen, touch the screen and swipe horizontally
to move the trigger point. The bottom portion
position.
To set the trigger delay from the trigger menu, touch then select
located next to DELAY. A pick wheel will appear that allows you to set the delay time to the value
shown in the readout.
will detach from the top to set the trigger
and press
To select the desired trigger delay touch and drag in each of the four columns until the
specific value is reached. To activate the settings tap away from the menu or tap .
2.65 Holdo
Touch in the menu bar to enter the trigger menu.
Touch . Touch
value should be done in the same manner as the delay.
next to HOLDOFF to set the holdoff time. Setting the Holdoff
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2.66 Analog vs Digital
Touch . Then touch
if activating ANALOG mode touch ANALOG and it will change to . Repeat the process for
DIGITAL mode. The default setting is ANALOG.
. Touch the desired mode, either ANALOG or DIGITAL. For example,
2.66 Single-Shot Waveform Capture
If the signal is active, the screen can be paused by touching . Pause is located in the menu
bar, on the far right side. If the signal is paused, the screen will resume real time measurements
by touching . In order to capture a single-shot wave form touch and hold or until
it changes to . Then touch , it will then capture a single-shot waveform. Remember
that in order to trigger off a specific event make sure that the setting is normal. If it is
set to auto you will just get the next frame, not the next event.
2.70 Pinch-to-Zoom
Zooming into a waveform is as easy as zooming into a picture on your smartphone. Both iMSO
and iMSO2 provides instant feedback showing both the scale you’re in & where you’re headed.
Current Scale Proposed Scale
The blue number in the top left corner shows your volts per division and the white number in
the top right corner shows the timescale. Focus on the right image. The two solid dots show
where you’re headed and the white outlined dot shows your current scale.
2.80 Demo
2.81 Demo Functions
When no hardware is attached, iMSO or iMSO2 will operate in Demo Mode. Demo Mode is
illustrated in the bottom right corner by . When hardware is attached, Demo Mode is not
available; iMSO2 will now be in Active Mode. Active Mode is illustrated in the bottom right
corner by . While in Demo Mode, touch
Although four different wave forms can be viewed on each analog channel, only one waveform
can be viewed on each channel at any given time. To change the wave form being viewed,
touch then pick the desired waveform in the pick wheel. To activate the setting
touch away from the menu.
to change the function that is being viewed.
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2.82 Demo Amplitude
Touch
located to the right of . Enter the desired voltage using the pick wheel. To activate the
setting tap away from the menu.
from the menu bar on the right. To change the of the signal touch
2.83 Demo Frequency
Touch
located to the right of . The pick wheel pops up and it is now possible to modify the
frequency by selecting the desired frequency. Frequencies can be entered in Hz, kHz, or MHz.
To activate the settings tap away from the menu.
from the menu bar on the right. To change the of the signal, touch
2.84 Demo DC Oset
Touch from the menu bar. To set the DC offset, touch located to the right of
. Then select the desired voltage offset from the pick wheel. To activate the settings tap away
from the menu.
2.85 Duty Cycle
In order to change the Duty Cycle, the demo mode must be set to . Once the
demo mode is switched to square the Duty Cycle option will change from to
. To change the of the signal, touch . Enter the desired voltage
using the pick wheel. To activate the setting tap away from the menu or tap .
2.90 Settings
iPhone/iPod touch- When hardware is connected, disappears and is replaced by
Then all additional setting are unlocked. In order to change the settings while in demo mode,
touch and hold until it changes to .
iPad/iPad mini- appears in the main menu bar. When hardware is connected
disappears. Then all additional settings are unlocked.
2.91 Grid Settings
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Lines vs. Dots
Touch . Then touch the desired selection, either or . This setting
affects the way that the signals are displayed; it will either be point by point (dots) or it will be
represented with a line.
Graticule
Touch . Then touch or to scroll through the various background display options. They
include: Crosshairs, Major Tics, Minor Tics, Major Grid, Minor Grid, and finally Graticule. Once a
selection is tapped it becomes active and
graticule is a shortcut for tapping all of the above.
changes from
to . Touching
2.92 Alerts
Touch . Three alerts are available. They are located on the third row from the top: ALERTS,
ON STARTUP & ON DISCONNECT. Cycle through the options by tapping or next to the
selection. Then tap the selection to activate it. To deactivate a specific alert, touch the alert
and it will change from
of the above.
to . Touching is a shortcut for tapping all
2.93 Persistence
Touch . Then touch and swipe the dot to the right of persist
advanced options relating to , touch . Digital persistence can either be turned off or
on. To turn it on, tap . To turn digital persistence off, touch .
For the
.
2.94 Sounds
Sounds can be controlled either through hardware or software. The Apple device can control
the sound (in the same way it always controls sound) by using the plus/minus volume controls
on the side of the device. In the software, sounds are turned off by tapping . Then touch
SOUNDS and it will either turn sounds on or off .
2.95 Compensation
The iMSO-204x is shipped fully calibrated and fully compensated. If, for any reason, the
analog input ever needs to be re-compensated, a built-in 3.3 V, 1 kHz reference signal exists.
Regardless of whether the function generator we provide is used or if an external input is used,
the electrically isolated flathead screwdriver will help trim the signal. Here’s how to use the
built-in reference wave:
Touch from the menu bar. From the setting menu, tap to enable the 3.3 V calibration
signal. When the signal is activated changes to . Next, select on the menu
bar and ensure is selected. Insure the switch on the analog probe is switched to 1x.
Connect the SMD grabber for GND (or the black wire) to the ground clip for the analog probe.
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Remove the connector attachment from the analog probe. Then connect the SMD grabber for D1
(or the purple wire) to the tip of the analog probe.
2.96 Screenshot
Two options exist. First, a screenshot can be captured by simultaneously pressing both the
home button and the power button on your Apple device. The screen will flash white while the
picture is captured. When a picture is captured this way, everything visible on the LCD will be
captured and available in photos. The second option is to touch and then touch. The text
SCREENSHOT will fade to from black to gray and the display will briefly change to full screen
mode. Although this is a very useful method, it may not always be the best way to take a
screenshot. By simultaneously pressing the home and the power button, it is possible to take a
picture of exactly what is on the screen. In some cases, this will be the best option.
2.97 Email
Touch . Then, touch . The email will consist of the image currently displayed on
the screen. Although it is not possible to retrieve screenshots from this spot, the pictures are
still available in photos where they can be emailed. The other option is to simultaneously press
both the home button and the power button on your Apple device. The screen will flash white
while the picture is captured. When a picture is captured this way, everything visible on the
screen will be captured and available in photos where they can be emailed.
2.98 Manage Data Log
This feature is only available with hardware; it is not available in demo mode. When in demo
mode the data logging options for DATA LOG: START and STOP are grayed out.
Touch from the menu bar. Then touch from the data log option, .
will then change to in order to indicate data is being logged. To stop data logging tap
.
Touch . Then touch . A pick wheel will appear with all of the data that has
been
previously logged. To select precious data log tap away from the menu.
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When viewing the .csv data file:
Each column (excluding the first) is the data point in time that is shown on the screen.
When the time scale is set to less than 100ms, each row is a single screen capture.
When the time scale is greater than or equal to 100ms, each row is a data point in time.
2.99 Configuration Settings
Reset Configurations
To reset the configuration, touch . Then touch
Saving Configurations
Up to three configurations can be saved at a time. Touch . Then touch next
to CONFIG 1, 2 or 3. will turn to and then back to , indicating the
configuration has been successfully saved.
To upload a saved configuration touch . Will turn to and then back
to , indicating the configuration has successfully been loaded.
.
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Section 3 – Product Warranty & Accessories
3.10 Product Warranty
iMSO-204x hardware both come with a full one year manufacturer’s warranty.
No warranty exists on probes and accessories.
3.20 Accessories
iMSO-204x come with the following accessories: 1x / 10x analog probe, logic harness, five SMD
grabbers, and one screwdriver.
3.21 1x / 10x Analog Probes
The analog probe is capable of measuring signals up to 100 MHz (although our fastest
scope is currently limited to 50 MSPS). This probe can operate in either 1x or 10x mode. It is
removable with an SMB connector.
3.22 Logic Harness
The logic harness is has five colors: purple (D1), yellow (D2), blue (D3), orange (D4), and black
(ground). The colors on the harness match up with the colors on the interface. If a user is
color blind, the harness colors are labeled D1, D2, D3, D4, and GND on the back of the iMSO204x hardware
3.23 SMD Grabbers
SMD grabbers have the Oscium flame custom built into the front.
3.24 Screwdrivers
The electrically-isolated flathead screwdriver is custom made for iMSO-204x and is used for
compensating the device.
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Section 4 – Performance Specifications
iMSO-204x
iOS Version 7.0 & higher
System Requirements
System Requirements
Analog Probe 1x & 10x selectable, removable with SMB
Digital Probe 4 bits, 1 Gnd, 0.100” connectors with removable SMD Grabbers
Analog Bandwidth 5MHz
Max Sample Rate 50MSPS
Sample Depth 1000pts
Horizontal Sensitivity 200ns/div-10s/div
Trigger & Vertical Position Adjustable
Vertical Sensitivity
Connector (to host) Mini-B to Lightning, Mini-B to Micro-B, Mini-B to USB A
Max Digital Input Voltage -0.5v to +7v
Max Input Voltage -8v to +13v (1x); -40v to +40v (10x)
Trigger Modes Auto/Normal/Single/Stop
Trigger Types Analog, Digital (A, A&B, A|B, A B)
Live Measurements 6
Measurement Types Frequency
(software)
(hardware)
Analog 2 Channel, 8 bit
Digital 4
Coupling AC or DC
Features Screen Capture Email
Android Version 4.0.3 & higher
Windows 7 & higher
Mac OS 10.10 (Yosemite) & higher
iOS Lightning Devices (iPad, iPhone, iPod)
Android Devices with USB OTG
Windows or Mac with USB 2.0 & higher
50mV/div to 2v/div (1x);
500mV/div to 20v/div (10x)
Peak to Peak
Positive Duty Cycle
Negative Duty Cycle
Positive Pulse Width
Negative Pulse Width
Demo mode (Analog)
Horizontal/Vertical Cursor Measurements
Reference Capture
Delay (always on) / Holdo ~99.99s max
FFT, Data Logging, Advanced Math
Period
Min
Max
Mean
RMS
Cycle Mean
Cycle RMS
Rise Time
Fall Time
4.11 Performance Optimization
Newer generations of Apple hardware will improve the Oscium customer experience.
Animations will be faster and crisper. Multitasking can also affect performance. Turning off
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applications will improve performance. Double click the home button on your Apple device.
All the applications listed in this menu are currently running on the device. Press and hold any
icon. They will begin to shake and a minus sign will appear on the top left corner of the app.
Tapping the minus sign will shut down the app; it will not delete it from your device. This will
free up additional processing power on your device to maximize the user experience.
Section 5 – How to Contact Us
Thank you for your interest in Oscium’s newest product: iMSO-204x! Please feel free to contact
us if you have any questions, comments or feedback. The best way to reach us is by emailing
support@oscium.com or by visiting us at www.oscium.com. Send us a technical question or
just say hi. Product updates and new product releases will be available first on our twitter and
facebook pages. Thank you again for your interest in Oscium!
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