ACU-RITE 200S User Manual
200S R
EADOUTS
REFERENCE MANUAL
200S Key Layout
1
112
1
4
1
516
171
8
3
1
1
1
2
1 Display Area
2 Soft keys
3 Power Indicator light
4 Arrow Keys: Use the UP/DOWN keys to adjust the
screen contrast.
5 Axis Keys
6 Numeric Keypad
7 ENTER key
8 CLEAR key
200S Soft keys
There are multiple pages of soft key functions to select from the
operating modes. Use the LEFT/RIGHT arrow keys [4] to cursor
through each page. The page indicator in the Status Bar will show the
page orientation. The darkened page indicates the page you are
currently on.
1 Page Indicator
2 Set Zero Indicator
Soft Key function (Page 1) Soft key
Opens on-screen help instructions.
Opens the Tool Table. Page 21 for Milling, and
page 46 for Turning.
Switches display between operating modes
Actual Value (Absolute) / Distance-to-Go
(incremental). See page 12.
Toggles between Set/Zero functions. Used
with individual axis keys (page 19).
200S i
Soft Key function (Page 2) Soft key
Opens the Datum form to set the datum for each axis
(
page 27).
Opens the Preset form. This form is used to set a
nominal position. This is a Distance-To-Go
(Incremental) function (
page 32).
Used to divide the current position by two (
Press to select the Circle Pattern, Linear Pattern,
Incline Mill, or Arc Mill table (
page 37).
page 35).
Soft Key function (Page 3) Soft key
Opens the Job Setup menu and provides access to
the Installation Setup soft key (
Press when ready to identify a reference mark (
).
11
Opens the Calculator functions for standard math,
trigonometry, RPM, and Taper for Turning functions.
The
CALC key is also available on input forms
where calculations may be required while
inputting data.
Toggles between inch and millimeter units (page
13
).
page 13).
page
ii
Readout Parameter Access Code
An access code must be entered before machine-related installation
parameters can be set or changed. This prevents inadvertent
adjustments to the installation setup parameters.
IMPORTANT!
The access code is 8891.
Access to Machine Parameter Operations
Refer to the Setup section also.
Begin by pressing the SETUP soft key.
Press the soft key INSTALLATION SETUP.
Press the access code numbers 8891 using the numeric key pad.
Press the ENTER key
The readout is now ready for machine parameter setting operations.
IMPORTANT!
To prevent setup parameters from being changed, remove
this page from the Reference Manual after initially setting
up the readout system. Retain this information in a safe
place for future use.
Readout Parameter Access Code
200S iii
Readout Parameter Access Code
iv
Introduction
Software Version
The software version is shown on the initial power up screen.
This User's Manual covers the functions of the 200S for
both milling, and turning applications. Operational
information is arranged in three sections: General
Operations, Mill Specific Operations, and Turn
Specific Operations.
200S
DRO axis availability.
The 200S DRO is available in two, and three axis form.
The 3 axis 200S DRO is used through out this manual for
illustration, and description of function keys.
Symbols within Notes
Every note is marked with a symbol on the left indicating to the
operator the type, and/or potential severity of the note.
General Information
e.g. on the behavior of the 200S.
Introduction
Warning
e.g. when a special tool is required for a function.
Damage - Risk of electric shock
e.g. when opening a housing.
200S Fonts
The following shows how soft keys, and hard keys are represented
within the text of this manual:
Soft keys - SETUP soft key
Hard keys - ENTER hard key
200S v
Introduction
vi
Warranty
For warranty information, go to www.acu-rite.com
200S vii
viii
Table of Contents
200S Key Layout........................................................................................................i
200S Soft keys...........................................................................................................i
Readout Parameter Access Code
Access to Machine Parameter Operations .............................................................. iii
Introduction
Software Version ......................................................................................................v
200S..........................................................................................................................v
Symbols within Notes...............................................................................................v
200S Fonts................................................................................................................v
Warranty
I - 1 Fundamentals of Positioning
Datums .................................................................................................................... 2
Actual Position, Nominal Position, and Distance-To-Go........................................... 2
Absolute Workpiece Positions ................................................................................. 3
Incremental workpiece positions............................................................................. 3
Zero Angle Reference Axis ...................................................................................... 4
Reading head position ............................................................................................. 4
Encoder Reference Marks ....................................................................................... 5
I - 2 General Operations for 200S
Screen Layout ......................................................................................................... 6
General Navigation................................................................................................... 7
General Overview .................................................................................................... 7
Graphic Positioning Aid ....................................................................................... 7
Help Screen ............................................................................................................. 8
Data Input Forms ..................................................................................................... 9
Instruction Box messages .................................................................................. 9
Error Messages................................................................................................... 9
Power Up............................................................................................................... 10
Reference Mark Evaluation.................................................................................... 10
Working without reference mark evaluation..................................................... 10
Enable/Disable Ref function................................................................................... 11
Operating Modes................................................................................................... 12
Setup .................................................................................................................... 12
200S ix
Job Setup Parameters ........................................................................................... 13
Units ................................................................................................................. 13
Scale Factor ...................................................................................................... 13
Mirror ................................................................................................................ 14
Edge Finder (milling applications only).............................................................. 14
Diameter Axes .................................................................................................. 14
Measured Value Output.................................................................................... 15
Near Zero Warning............................................................................................ 15
Status Bar Settings ........................................................................................... 15
Job Clock .......................................................................................................... 16
Remote Switch ................................................................................................. 17
Console Adjustment ......................................................................................... 18
Language .......................................................................................................... 18
Import/Export.................................................................................................... 18
Set/Zero Soft Key Details.................................................................................. 19
Calc Soft Key .................................................................................................... 19
RPM Calculator ................................................................................................. 20
I - 3 Milling Specific Operations
Soft Key Functions Detailed .................................................................................. 21
Tool Soft Key .................................................................................................... 21
Tool Table ......................................................................................................... 21
Import/Export.................................................................................................... 22
Tool Radius Compensation feature................................................................... 23
Sign for the length difference
Entering tool data.............................................................................................. 24
Calling the Tool from the Tool Table ................................................................. 27
Datum Soft Key ................................................................................................ 27
Probing Functions for Datum Setting ............................................................... 27
Probing with a Tool ........................................................................................... 30
Example: Probe workpiece edge and set edge as datum ................................ 31
Presets.............................................................................................................. 32
Absolute Distance Preset ................................................................................. 32
Incremental Distance Preset ............................................................................ 34
1/2 Soft Key ...................................................................................................... 35
ΔL ...................................................................... 23
x
Features (Milling) ................................................................................................... 36
Circle, and Linear Patterns ..................................................................................... 37
Soft key Functions ............................................................................................ 37
Circle, and Linear Pattern Soft keys.................................................................. 38
Circle, or Linear Pattern Execution.................................................................... 39
Example: Enter data and execute a circle pattern............................................. 40
Incline, and Arc Milling........................................................................................... 41
Soft Key Functions............................................................................................ 41
Incline, and Arc Milling Soft keys...................................................................... 42
Incline Milling Form Entry ................................................................................. 43
Arc Milling......................................................................................................... 44
Incline, and Arc Mill Execution.......................................................................... 45
I - 4 Turning Specific Operations
Tool Display Icon............................................................................................... 46
Tool Table.......................................................................................................... 46
Import/Export.................................................................................................... 47
Calling a Tool from the Tool Table..................................................................... 48
Datum Setting................................................................................................... 48
Taper Calculator Soft Key.................................................................................. 50
Presets.............................................................................................................. 51
Radius/Diameter Soft Key................................................................................. 51
Vectoring........................................................................................................... 52
Z Coupling......................................................................................................... 52
Disabling Z0, and Z Coupling............................................................................. 53
II - 1 Installation Setup
Installation Setup Parameters ................................................................................ 56
Encoder Setup ....................................................................................................... 57
Display Configuration............................................................................................. 59
Error Compensation............................................................................................... 59
Linear Error Compensation ............................................................................... 60
Non-Linear Error Compensation........................................................................ 60
Setup procedure for Non-linear Error................................................................ 61
Starting a Non-Linear Error Compensation Table.............................................. 62
Configuring the Compensation Table................................................................ 63
Automatic Non Linear error compensation ....................................................... 63
Backlash Compensation ........................................................................................ 65
Counter Settings.................................................................................................... 65
Diagnostics ............................................................................................................ 66
Keypad Test ...................................................................................................... 66
Edge Finder Test............................................................................................... 66
Display Test ...................................................................................................... 66
200S xi
II - 2 Data Interface
Serial Port .............................................................................................................. 68
II - 3 Installation and Electrical Connections
Installation.............................................................................................................. 69
Electrical requirements ..................................................................................... 69
Environmental................................................................................................... 69
Preventative maintenance ................................................................................ 69
II - 4 I/O Connections
Wiring the Serial communication cable ................................................................. 71
Signal ................................................................................................................ 71
External Operations via RS-232 Data Interface................................................. 72
II - 5 Remote Switch Data Output
Data output using external signals.................................................................... 73
Data output using Edge Finder ......................................................................... 75
II - 6 Error Messages
............................................................................................................................... 78
II - 7 Dimensions
DRO Dimensions ................................................................................................... 80
xii
Operating Instructions
200S 1
I - 1 Fundamentals of Positioning
Datums
The workpiece drawing identifies a certain point on the workpiece
(example: “a corner”) as the absolute datum, and perhaps one, or
more other points as relative datums.
The datum setting procedure establishes these points as the origin of
the absolute, or relative coordinate systems. The workpiece, which is
aligned with the machine axes, is moved to a certain position relative
to the tool. The display is set either to zero, or to another appropriate
value (e.g., to compensate for tool radius).
Actual Position, Nominal Position, and Distance-To-Go
The position of the tool at any given moment is called the ACTUAL
POSITION I, while the position that the tool is to move to is called the
NOMINAL POSITION S. The distance from the nominal position to the
actual position is called the DISTANCE-TO-GO R.
I - 1 Fundamentals of Positioning
2 I
Absolute Workpiece Positions
Each position on the workpiece is uniquely identified by its
absolute coordinates.
Example: Absolute coordinates of position 1:
X = 20 mm
Y = 10 mm
Z = 15 mm
If you are drilling, or milling a workpiece according to a workpiece
drawing with absolute coordinates, the tool is moving to the value of
the coordinates.
Incremental workpiece positions
A position can also be referenced to the preceding nominal position.
In this case the relative datum is always the last nominal position.
Such coordinates are referred to as incremental coordinates
(increment = increase). They are also called incremental, or chain
dimensions, since the positions are defined as a chain of dimensions.
Incremental coordinates are designated with the prefix I.
Example: Incremental coordinates of position 3 referenced
to position 2.
Absolute coordinates of position 2:
X = 10 mm
Y = 5 mm
Z = 20 mm
Incremental coordinates of position 3:
IX = 10 mm
IY = 5 mm
IZ = 20 mm
If you are drilling, or milling a workpiece according to a drawing with
incremental coordinates, you are moving the tool by the value of
the coordinates.
I - 1 Fundamentals of Positioning
200S 3
Zero Angle Reference Axis
The Zero Angle Reference Axis is the 0.0° position. It is defined as one
of the two axes in the plane of rotation. The following table defines the
Zero Angle where the position of the angle is zero for the three
possible planes of rotation.
For angular positions, the following reference axes are defined:
Plane Zero Angle Reference Axis
XY +X
YZ +Y
ZX +Z
Positive direction of rotation is counterclockwise if the working plane
is viewed in the negative tool axis direction.
EXAMPLE: Angle in the working plane X / Y
Plane Zero Angle Reference Axis
+ 45° ... bisecting line between +X and +Y
I - 1 Fundamentals of Positioning
+/- 180° ... negative X axis
- 270° ... positive Y axis
Reading head position
The reading head position provides feed back to the 200S that
converts the movement of the machine axes into electrical signals.
The 200S constantly evaluates these signals, and calculates the actual
positions of the machine axes, which it displays as a numerical value
on the screen.
If there is an interruption in power, the calculated position will no
longer correspond to the actual position. When power is restored, you
can re-establish this relationship by using the reference marks on the
provided on the scale. The 200S provides the Reference Mark
Evaluation feature (REF).
4 I
Encoder Reference Marks
Encoders normally contain one or more reference marks which the
200S Reference Mark Evaluation feature uses to re-establish datum
positions after a power interruption. There are two main options
available for reference marks; fixed and distance-coded.
Position Trac (Distance-coded reference marks): Encoders that have
marks separated by a specific encryption pattern allows the 200S to
use any two pair of marks along the length of the encoder to reestablish the prior datums. This configuration means that the operator
only has to travel less than two inches any where along the encoder,
to re-establish the datums when the 200S is turned back on.
Fixed reference marks: Encoders that have one or more marks on
fixed intervals, have to re-establish the datums correctly. It is
necessary to use the same exact reference mark, during the
Reference Mark Evaluation routine, that was used when the datum
was first established.
The established datums’ cannot be restored from one
power cycle to the next if the reference marks were not
crossed before the datums were set
I - 1 Fundamentals of Positioning
200S 5
I - 2 General Operations for 200S
9
10
4
5
1
678
2
1
111213
3
Screen Layout
1 Datum
2 Tool
3 Feed Rate
4 Job Clock
5 Unit of Measure
6 Operating Modes
7 Page Indicator
8 Set/Zero
9 Axis Labels
10 Ref Symbol
11 Soft key Labels
12 Display Area
13 Near Zero Warning (In Distance-To-Go mode only)
The ACU-RITE 200S readout provides application-specific features
I - 2 General Operations for 200S
that allows you to obtain the most productivity from your manual
machine tools.
Status Bar - This displays the current datum, tool, feed rate, job
clock time, unit of measure, operating mode status, page indicator,
and set/zero. See Job Setup for details on setting up the Status
Bar parameters.
Display Area - Indicates the current position of each axis. Also
shows forms, fields, instruction boxes, error messages and
help topics.
Axis Labels - Indicates axis for corresponding axis key.
Ref Symbols - Indicates current reference mark status.
Soft key Labels - Indicates the various milling or turning functions.
6 I
General Navigation
Use key pad to enter numeric values within each field.
The ENTER key will confirm the entry within a field, and return to the
previous screen.
Press the C key to clear entries, and error messages, or return back
to the previous screen.
SOFT KEY labels show the various milling, or turning functions.
These functions are selected by pressing the corresponding soft key
directly below each soft key label. There are 3 pages of selectable
soft key functions. These are accessed using the LEFT or RIGHT
arrow keys as indicated below.
LEFT or RIGHT arrow keys move through pages 1-3 of soft key
selectable functions. The current page will be highlighted in the
Status bar at the top of screen.
Use the UP, or DOWN arrow keys to move between fields within a
form, and list boxes within a menu. The orientation of the cursor is
such that it will return to the top once it has reached the bottom of
a menu.
General Overview
Graphic Positioning Aid
When traversing to display value zero (in the Distance-To-Go mode),
200S displays a graphic positioning aid.
200S displays the graphic positioning aid in a narrow rectangle
underneath the currently active axis. Two triangular marks in the
center of the rectangle symbolize the nominal position.
A small square symbolizes the axis slide. An arrow indicating the
direction appears in the square while the axis is moving towards, or
away from the nominal position. Note that the square does not begin
to move until the axis slide is near the nominal position. Setting up the
graphic positioning aid, see "Status Bar Settings" on page 15 under Job
Setup.
I - 2 General Operations for 200S
200S 7
Help Screen
The integrated operating instructions provide information and
assistance in any situation.
To call the operating instructions:
8 Press the HELP soft key.
8 Information relevant to the current operation will be displayed.
8 Use the UP/DOWN arrow keys if the explanation is spread over
more than one screen page.
To view information on another topic:
8 Press the LIST OF TOPICS soft key.
8 Press the UP/DOWN arrow keys to scroll through the index.
8 Press the ENTER key to select the item you need.
To exit the operating instructions:
8 Press the C key.
I - 2 General Operations for 200S
8 I
Data Input Forms
Information required for various operational functions and setup
parameters are entered through a data input form. These forms will
appear after selecting features that require any additional information.
Each form provides specific fields for entering the required
information.
Changes must be confirmed by pressing the ENTER key for them to
become effective. If you do not want to save your changes, press the
C key to return to the previous screen without saving changes.
In some cases such as the Tool Table, the C key is used in place of the
ENTER key.
Instruction Box messages
Whenever a Menu, or Form is opened, an instruction box will also
open immediately to the right of it. This message box will provide
information for what the chosen function does, and present
instructions for available options.
I - 2 General Operations for 200S
Error Messages
If an error occurs while working with the 200S, the message will
appear on the display, and provide an explanation of what caused the
error. See "Error Messages" on page 78.
To clear the error message:
8 Press the C key.
Error message will be cleared, and normal operation can be
continued.
200S 9
Power Up
(1)
Switch on the power (located on the back). The initial
screen will appear. This screen will only appear the
very first time the unit is powered up. The following
steps may have already been completed by
the installer.
Select the proper language by pressing the LANGUAGE soft key.
Choose your application of either MILL or TURN. The APPLIC.
[MILL/TURN] soft key toggles between these two settings.
Next, select the number of axes required. When complete, press
the ENTER hard key.
If necessary, you can change the application later in Installation Setup
under Counter Settings.
The 200S is now ready for the remaining setup requirements. It is now
in the operating mode “Absolute”. Each active axis will have a
flashing“REF”sign next to it. The following section, “Reference Mark
I - 2 General Operations for 200S
Evaluation”, describes setting up this feature.
Reference Mark Evaluation
The 200S reference mark evaluation feature (1), automatically
re-establishes the relationship between axis slide positions and
display values that was last defined by setting the datum.
For each axis with an encoder that has reference marks, the “REF
indicator will flash for that axis. After crossing over the reference
marks, the indicator will stop flashing and change to a non-flashing
“REF” indicator.
Working without reference mark evaluation
The 200S can also be used without crossing over the reference marks.
8 Press the NO REF soft key to exit the reference mark evaluation
routine, and continue.
”
10 I
The 200S can still cross over reference marks at a later time. Such as
if it becomes necessary to define a datum that can be re-established
after a power interruption.
8 Press the ENABLE REF soft key to activate the position recovery
routine. Press the RIGHT / LEFT arrow key if the soft key is not
shown on current screen.
If an encoder is setup without reference marks, then the
REF indicator will not be displayed, and a datum set from
any axis will be lost once power is turned off.
Enable/Disable Ref function
The ENABLE/DISABLE soft key, that is present during the position
recovery routine, allows the operator to select a specific reference
mark on an encoder. This is important when using encoders with Fixed
Reference Marks (instead of ones with Position-Trac™ feature). When
the DISABLE REF soft key is pressed, the recovery routine is paused
and any reference marks that are crossed during encoder movement
are ignored. When the ENABLE REF soft key is then pressed, the
recovery routine once again becomes active and the next crossed
reference mark will be selected.
Not all reference marks have to be crossed over on each encoder, only
those that are needed.
8 Once reference marks for all desired axes are established, press the
NO REF soft key to cancel out of the routine. If all reference marks
have been found, the 200S will return to the DRO display
screen automatically.
I - 2 General Operations for 200S
200S 11
Operating Modes
The 200S has two operating modes: Distance-To-Go
(INCREMENTAL), and Actual Value (ABSOLUTE). The Actual Value
mode always displays the current actual position of the tool, relative
to the active datum. In this mode, all moves are done by traveling until
the display matches the nominal position that is required. The
Distance-To-Go feature enables you to approach nominal positions by
traversing to display value zero. When working within the Distance-ToGo mode you can enter nominal coordinates as either absolute or
incremental dimensions.
Milling applications have only the tool length offsets active while in the
Actual Value Mode. In the Distance-To-Go mode, both the diameter
and length offsets are used to calculate the amount of “distance-togo” required to get to the desired nominal position. This is relative to
the edge of the tool that will be doing the cutting.
Turning applications have both diameter and length offsets in both the
Actual Value and Distance-To-Go modes.
Press the ABS/INC soft key to toggle between these two modes. To
view other soft key functions in either Actual Value or Distance-To-Go
mode, use the LEFT/RIGHT arrow keys.
The Turning application provides a quick method for coupling the Z
I - 2 General Operations for 200S
axes positions on a 3 axis system. For more information, see "Z
Coupling" on page 52.
Setup
200S offers two categories for setting up operating parameters. These
categories are: Installation Setup and Job Setup. The Job Setup
parameters are used to accommodate specific machining
requirements for each job. Installation Setup is used to establish
encoder, display and communication parameters.
The Installation Setup menu is accessed by pressing the SETUP soft
key, then the INSTALLATION SETUP soft key. When in the Installation
Setup menu, the following soft keys will be available:
JOB SETUP: Press to begin accessing the Job Setup parameters.
IMPORT/EXPORT: Press to begin importing or exporting operating
parameters. See "Import/Export" on page 18.
HELP: Will open on-line help.
8 To view, and change Installation Setup parameters, first press the
SETUP soft key, then the INSTALLATION SETUP soft key.
8 Use the UP/DOWN arrow keys to highlight the parameters
of interest.
8 press the ENTER key.
12 I
Job Setup Parameters
8 To view and change Job Setup parameters, first press the SETUP
soft key.
8 Use the UP/DOWN arrow keys to highlight the parameters
of interest.
8 press the ENTER key.
The Job Setup Data can be imported, or exported using the
IMPORT/EXPORT soft key.
Exporting the current Job Setup:
8 Press the SETUP soft key.
8 Press the IMPORT/EXPORT soft key.
8 Press the EXPORT soft key.
Importing a new Job Setup Table
8 Press the SETUP soft key.
8 Press the IMPORT/EXPORT soft key.
8 Press the IMPORT soft key.
Units
The Units form is used to specify the preferred display units and
format. You can also select the unit of measure by pressing the
INCH/MM soft key in either Actual Value or Distance-To-Go mode.
Scale Factor
The scale factor may be used to scale the part up or down. A scale
factor of 1.0 creates a part with the exact size as dimensioned on the
print. A scale factor >1 “grows” the part, and <1 “shrinks” the part.
I - 2 General Operations for 200S
The numeric keys are used to enter a number greater than zero. The
number range is 0.1000 to 10.000. A negative value may also
be entered.
The scale factor settings will be retained on a power cycle.
When the scale factor is a value other than 1, the scaling symbol
is shown on the axis display.
The ON/OFF soft key is used to disable the current scale factors.
200S 13
Mirror
A scale factor of -1.00 will produce a mirror image of the
part. You can both mirror and scale a part at the same time.
Edge Finder (milling applications only)
The diameter, length offset and units of the edge finder are set in this
form. Both values are in the units indicated in the form. Please see
"Probing Functions for Datum Setting" on page 27 for details on using
Edge Finder functions.
The numeric keys are used to enter values of diameter and length.
The diameter must be greater than zero. The length is a sign value
(negative, or positive).
A soft key is provided to indicate the units of measure for the
edge finder.
The edge finder values will be retained on a power cycle.
Diameter Axes
Select Diameter Axes to bring up the diameter screen shown here to
set which axes can be displayed in either radius or diameter values.
ON indicates that the axis position will be displayed as a diameter
I - 2 General Operations for 200S
value. When OFF, the Radius/Diameter feature does not apply. For
turning applications see "Radius/Diameter Soft Key" on page 51 for the
Radius/Diameter feature.
8 Cursor to Diameter Axes, and press ENTER.
8 The cursor will be in the X axis field. Depending on the parameter
you need for that axis press ON/OFF soft key to turn feature on
or off.
8 Press ENTER.
14 I
Measured Value Output
With the measured value output feature, probe measurement values
can be sent over the serial port. Also output of the current display
positions is activated via a command (Ctrl B), sent to the 200S over the
serial port.
The Measured Value Output form is used to set data output during
probing operations.
Data Output Probing (Milling Only), may be set to either On, or Off.
When On, the measurement data is output when the probe
operation is completed.
Refer to chapter "II - 5 Remote Switch Data Output on page 73” for
information on the format of the output data.
Near Zero Warning
The Near Zero Warning form, is used to configure the bar graph. This
is shown below the axes’ display in Distance-To-Go mode. Each axis
has its own range.
8 Press the ON/OFF soft key to enable, or begin entering values using
the numeric keys. The current position box will begin moving when
the position is within range.
Status Bar Settings
The Status Bar is the segmented bar at the top of the screen which
displays current datum, tool, feed rate, job clock and page indicator.
8 Press the ON/OFF soft key for each setting you want to
see displayed.
I - 2 General Operations for 200S
200S 15
Job Clock
The job clock shows the hours (h), minutes (m), seconds (s). It
operates like a stop watch showing elapsed time. The clock starts
timing from 0:00:00.
The elapsed time field shows the total accumulated time from
each interval.
8 Press the START/STOP soft key, the status field will read
RUNNING. Press it again to stop time from elapsing.
8 Press RESET to reset the elapsed time. Resetting will stop the clock
if it is running.
Pressing the Decimal key while in operating mode, will also
stop and start the clock. Pressing the Zero key will reset
the clock.
I - 2 General Operations for 200S
16 I
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