ODA OPM Series User manual

Programmable DC Power Supply
User Manual
www.odacore.com
OPM Series
Manual Part NO. 018OPM-2.0

Legal Notices
© ODA Technologies.,Co.Ltd 2004
No part of this document may be photocopied, reproduced, or translated to another language without
the prior another language without the prior agreement and written consent of ODA agreement and
written consent of ODA Technologies.,Co.Ltd. as governed by Korea and international copyright laws.
Warranty Certification
The material contained in this document is provided “as is,” and is subject to being changed, without
notice, in future editions. Further, to the maximum extent permitted by applicable law, ODA disclaims
all warranties, either express or implied, with regard to this manual and any information contained
herein, including but not limited to the implied warranties of merchantability and fitness for a particular
purpose. ODA shall not be liable for errors or for incidental or be liable for errors or for incidental or
consequential damages in connection with the furnishing, use, or performance of this document or of
any information contained herein. Should ODA and the user have a separate written agreement with
warranty terms covering the material in this document that conflict with these terms, the warranty terms
in the separate agreement shall control.
Assistance
This product comes with the standard product warranty. Warranty options, extended support contacts,
product maintenance agreements and customer assistance agreements are also available.
Contact your nearest ODA Technologies. Sales and Service office for further information on
ODA Technologies. full line of Support Programs. Refer to below information.
www.odacore.com
[email protected]
82-2-1800-8644
Waste Electrical and Electronic Equipment
The affixed product label (see right) indicates that you must not discard
this electrical/electronic product in domestic household waste. Do not
dispose in domestic household waste. To return unwanted products,
contact our local ODA distributors, or call us for more information.
Manual Editions
Manual Part Number: 018OPM-2.0 Edition 2, February, 2018 Printed in ROK
Reprints of this manual containing minor corrections and updates may have the same printing date.
Revised editions are identified by a new printing date.

Safety Notices
The following general safety precautions must be observed during all phases of operation of this
instrument. Failure to comply with these precautions or with specific warnings or instructions elsewhere
in this manual violates safety standards of design, manufacture, and intended use of the instrument.
ODA Technologies assumes no liability for the customer's failure to comply with these requirements.
understood and met.
of flammable gases or fumes.
Do not operate the instrument in the presence
Do Not Operate in an Explosive Atmosphere
is not customer accessible.
rofrepyltcerroctonfi,tahtekilehtro"slobmySytefaS" med or
adhered to, could result in personal injury or
The instrument contains an internal fuse, which notice until the indicated conditions are fully
removing the instrument cover.
the power cable and any external circuits before
remove instrument covers. Always disconnect
are aware of the hazards involved should
Only qualified, service-trained personnel who
Do Not Remove the Instrument Cover
Fuses death. Do not proceed beyond a WARNING
Make all connections to the unit before WARNING
applying power. Note the instrument's A WARNING notice denotes a hazard. It calls
external markings described under attention to an operating procedure, practice,
of important data. Do not proceed beyond a
hazard that could result in personal injury. CAUTION notice until the indicated conditions
Verify that all safety precautions are taken.
CAUTION
Before Applying Power are fully understood and met.
(safety ground) at the power outlet. Any attention to an operating procedure, practice, or
interruption of the protective (grounding) the like that, if not correctly
p
erformed or adhere
d
conductor or disconnection of the protective to, could result in damage to the product or loss
earth terminal will cause a potential shock
A CAUTION notice denotes a hazard. It calls
In Case of Damage
Instruments that appear damaged or defective
chassis and cover must be connected to an qualified service personnel.
electrical ground. The instrument must be
connected to the ac power mains through
a grounded power cable, with the ground
Do not install substitute parts or perform any u
nauthorized modification to the product. Return
the product to an ODA Sales and Service Office
for service and repair to ensure that safety
Ground the Instrument
This product is a Safety Class 1 instrument
(provided with a protective earth terminal).
wire firmly connected to an electrical ground
features are maintained.
General Do Not Modify the Instrument
Do not use this product in any manner not
To minimize shock hazard, the instrument unintended o
p
eration until they can be re
p
aired b
y
specified by the manufacturer. The protective
features of this product may be impaired if it is
used in a manner not specified in the operation
instructions.
should be made inoperative and secured against

Safety Symbol
Out position of a bi-stable
push switch Caution, risk of electric shock
Caution, hot surface Caution, refer to accompanying
documents
ylppusffOylppusnO
Standby supply. Unit is not
completely disconnected
from ac mains when switch
is off
In position of a bi-stable push
switch
Direct current
Earth (ground) terminal
Frame or chassis terminal
Protective earth ground terminal.
Alternating current
Both direct and alternating current Three phase alternating current
Terminal is at earth potential.
Neutral conductor on
permanently installed
equipment
Line conductor on
permanently installed equipment.

CONTENTS
1. Product Outline 6
1-1. Product Characteristics 6
General Functional Characteristics
Remote Interface Characteristics
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-
R
emo
t
e
I
n
t
er
f
ace
Ch
arac
t
er
i
s
ti
cs
Calibration Characteristics
Factory Function Characteristics
Cycling Mode Characteristics
Self Test Characteristics
1-2. Accessories & Product Option 7
Accessories
Pd tOti
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---------------------------
-
Product O
p
tion
1-3. Product Inspection 8
Equipment Check
Biographic Check
1-4. Working Condition 8
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1-5. Check Before Input Power 9
Check Output Terminal
Check Power Cord
Check AC Input Power Switch
1-6. Check After Input Power 11
Check Sequence
Earliest Setting Value
-
-----------------------------
-
-
---------------------------------
E
ar
li
es
t
S
e
tti
ng
V
a
l
ue
1-7. Product Installation 12
Cooling
Bench Operation
Rack Mounting
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--------------------------------------
2. Front Panel, Rear Panel Structure & Function 14
2-1. Front Panel Voltage & Current Setting 17
2-2. Display & Condition Indicating LAMP 18
2-3. Rear Panel Structure 19
2-4. Output Check 21
Voltage Output Check
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----------------------
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----------------------
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-----------------------------------
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----------------------------------------
-
gp
Current Output Check
- 2 -

3. Operating Front Panel 22
Over view
3-1. Constant Voltage Operation(CV) 23
3-2. Constant Current Operation(CC) 24
3
-
3 Remote Voltage Sensing
25
-----------------------------------
-
-
------------------------
-
-
------------------------
-
-
---------------------------------
33
.
Remote
Voltage
Sensing
25
CV Regulation
Output Rating
Output Noise
Stability
Connecting Remote Voltage Sensing
3-4. Connecting OPM-Series Power Module 27
3 5 Programming OVP OCP / CALIBRATE
28
-
--------------------
-
3
-
5
.
P
rogramm
i
ng
OVP
OCP
/
CALIBRATE
28
3-6. MEMORY(STORE/RECALL) / FACTORY 34
STORE Set-up
RECALL Set-up
3-7. I/O Config & LOCAL 36
RS232C Set-up
RS232C Set
-
up Panel
----------------------
-
--------------------
-
-----------------------------------
-
RS232C
Set-up
Panel
GPIB Set-up
GPIB Set-up Panel
3-8. OUTPUT ON/OFF 41
3-9. SELECT CHANNEL 41
3-10. V/I & LMT DISPLAY 42
V/I Function
--------------------------------------
--------------------------------------
-
--------------------------------------
V/I
Function
LMT DISPLAY Function
3-11. ERROR 43
3-12. PARALLEL MODE 44
3-13. TRACKING MODE 45
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---------------------------------------------
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-
- 3 -

4. CALIBRATION 46
4-1. Characteristics 46
4-2. Preparing Accurate Calibration 46
4-3. Performance of Measuring Instrument for Accurate Calibratio
n
-- 47
4
-
4 Measuring Technique
47
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-
-
---------------------------
-
-
-----------------------------------
-
-------------------------------------------
-
44
.
Measuring
Technique
47
Equipment Connection
Electronic Load
Current-Monitoring Resistor(shunt)
DVM(Digital Volt Meter)
Programming
Measuring
Position
Measuring
Position
4-5. Calibration Using Front Panel 49
CALIBRATE KEY Structure
CALIBRATE Setting Range
Voltage CALIBRATE Operation
Current CALIBRATE Operation
---------------------------
-
5 FACTORY
54
5. FACTOR
Y
54
5-1. Characteristics 54
5-2. FACTORY KEY Structure 54
5-3. OUTPUT MODE 55
5-4. TRACK-KEY 55
5-5. PARALLEL-KEY 56
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---------------------------------------------
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----------------------------------------
-
5-6. RE/STORE MODE 57
5-7. USER-MEM CLEAR 58
5-8. LAST STATE 59
5-9. ADC SAMPLING 60
5-10. CAL-RESTORE 60
5
-
11. CAL
-
BACKUP
61
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-
-
----------------------------------------
-
-
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-
-
-------------------------------------
-
-------------------------------------------
-
-
----------------------------------------
-
511
.
CAL BACKUP
61
5-12. CAL-DEFAULT 62
5-13. LOAD DEFAULT 63
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-
- 4 -

6. SCPI Commands 64
6-1. Commands Syntax 64
6-2. Commands 64
Channel Select Commands
Output Setting Commands
-------------------------------------------
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-
----------------------------------------
-
-
-------------------------------------
-
Measurement Commands
System Commands
6-3. Channel Select Commands 65
6-4. Apply Commands 66
6-5. Output Voltage/Current Setting & Operation Commands 66
6-6. Measure Commands 69
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-
-
-------
-
-
-----------------------------------
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-
------------------------------
-
6-7. System Commands 70
7. Error Messages 73
7-1. Power Module Error 73
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----------------------------------------
-
7-2. Hardware Error 74
7-3. Interface Commands Error 74
8. Warnings
76
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------------------------------------------------
-
8
.
Warnings
76
- 5 -

1. Product Outline
1-1. Product Characteristics
ODA Technologies OPM-Dual Output Series is high-precision, high-accuracy Programmable
DC Power Supply with SCPI (Standard Commands for Programmable Instruments) Protocol
GPIB(IEEE
-
488 2)와 RS
-
232C communication and designed to be equipped in 3U
*
19inch Half
-
Rack
GPIB(IEEE-488
.
2)와
RS-232C
communication
,
and
designed
to
be
equipped
in
3U*19inch
Half-Rack
.
Capacity Extending or adding another Power Supply is simple and econimical.
General Functional Characteristics
▌Isolated Dual Output
▌Rear Output Standard
▌Tracking Output Operation
▌P ll l O t t O ti
▌
Parallel Output Operation
▌Simple Setting using Jog Shuttle
▌Visual Convenience by high-intensity VFD
▌Output Voltage, Current Shut-Off & Restore Function (Output ON/OFF)
▌Alarm occurs in any events
▌High-accuracy and high-precision
▌Built-in Remote Sensing for Load Voltage(V-Sensing)
▌O V lt P t ti (OVP)/O C tP t ti (OCP)/(PSP)
▌
Over Voltage Protection
(
O.V.P
)
/
Over Current Protection
(
O.C.P
)
/
(
P.S.P
)
▌High perfomance Load Regulation & Line Regulation
▌Store and Recall Operating Condition(Voltage,Current,OVP,OCP) up to 10
▌Save and Display error message up to 10
▌3U * 19inch Half-Rack Compatible
Remote Interface Characteristics
▌GPIB(IEEE-488.2) & RS232C Interface
▌GPIB(IEEE 488.2)
&
RS232C
Interface
▌SCPI(Standard Commands for Programmable Instruments) Compatible
▌High Speed Setting & Measument
▌Plentiful Commands Equipped
▌Simple interface setting using I/O Config on front panel
▌Realized isolation and floating logic
▌Equipped SCPI programming grammar mistake check function
Calibration Characteristics
Calibration
Characteristics
▌Internal calibration is unnecessary because of Software Calibration
▌Save Calibration in range separately
Factory Function Characteristic
▌Output ON/OFF printing independently function
▌Tracking Key Protection
▌Parallel Key Protection
▌Recall/Store Setting independent channel function
▌Recall/Store memory reset function
▌Restore & Disable Last States condition function
▌ADC Sampling Mode setting function
▌Calibration Data restore function
▌Calibration Data back-up function
▌Calibration Data reset(default) function
▌Factory Setting Reset
- 6 -

Self Test Characteristics
▌Front Panel Test ▌ADC H/W Error Test
▌Remote Interface Test ▌UnRegulated Condition Test
▌Memory Data Verification Test ▌ADC/DAC Calibration Verification Test
▌Auto Search connected power module
1-2. Accessories & Product Option
Accessories
▌One Power Cord
▌Output Cable (+), (-) 2pcs each(Part Number : OE-LW-BCW-2.0)
▌One User's Manual
▌Demo Software & Windows Application Manual (Web Free Download)
Product Option
▌OPM Power Module(Voltage:0V~500V Current:0A~6.4KA Wattage:30W ~ 250KW)
▌Windows Application(Document & Report, Agenda Total Solution)
▌GPIB Module
▌GPIB Calbe 1M, 2M, 4M
▌RS232C Cable 1M 2M 4M 10M
▌RS232C
C
a
bl
e
1M
,
2M
,
4M
,
10M
▌Cable for voltage sensing 1M, 2M, 4M, 10M
▌100V ± 10% , 50~60Hz Input Power
▌115V ± 10% , 50~60Hz Input Power
▌230V ± 10% , 50~60Hz Input Power
▌Rack Mount Support
- 7 -

1-3. Product Inspection
Please check below features after opening box. If a problem occurs please ask service
center or main office about A/S Service. Please pack the product fully with box package.
Also, check our website Q&A for further information.
Equipment Check
▌Check if KEY, Encoder Switch, Power Switch are damaged.
▌Check Scratches on the Name Plate.
▌Check Scratches on the product body.
▌Check Scratches and Dot shatter on VFD.
▌
Biographic Check
▌Check Alarms when the Power is ON.
If there is an alarm, there might be error in the self-test.
Press ERR Key to check the Error Code.
Find Reference
"
7 Error Messages
"
for further details
Find
Reference
7
.
Error
Messages
for
further
details
.
Feference 1-6 check after power on for self-test
▌Company Name & Model Name will be displayed when the power is ON.
▌If "P1-OUTPUT OFF Message is displayed without any problem,
read reference Specifications to continue.
If Last State function is enabled, it will return to condition before Power OFF.
Read reference 『1-6. Factory mode』for further information.
Service Center : 82-32-623-5454
Home Page : www.odacore.com
1 4 Working Condition
Note
1
-
4
.
W
or
ki
n
g
C
on
diti
o
n
This product is appropriate in below circumstances.
▌Ambient Temperature : 0 ∼ 40℃
▌Humidity : Less than 80%
▌Altitude
:
Less then 2000m
▌Altitude
:
Less
then
2000m
▌Place where has no vibration
▌Place not be effected by magnetic field
- 8 -

1-5. Check Before Input Power
Check Output Terminal
▌Check front & rear output terminal is structured as below.
<Diagram 1-1> <Diagram 1-2>
Front Output Terminal Rear Output Terminal
Short Bar
<Diagram 1-3> <Diagram 1-4>
g
g
Please read 26 page for further information of V-Sensing
Note
- 9 -

Check Power Cord
▌Supplied power cord is 3-wire Ground Type. If you like to use separate power cord,
please use Ground type. Also, Connect power line Earth and products GND before
using the goods.
Check AC Input Power Switch
▌The product is designed single phase with AC100V / AC200V ±10% / 50~60Hz. We set
AC200V when the good is released, the switch is located at the bottom of the product.
Read reference "1-2. Accessories & Product Option" "Option" Part.
▌Fuse is equipped to protect the product when the product is overloaded.
When the power is OFF even the switch is ON please check Rear Panel Inlet Fuse Holder
When
the
power
is
OFF
even
the
switch
is
ON
,
please
check
Rear
Panel
Inlet
Fuse
Holder
If the Fuse is damaged, please change with same capacity fuse.
<Diagram 1-4>
- 10 -

1-6. Check After Input Power
When Power Supply is ON, it will start setting & self-testing. Also, it maintains previous
Remote Interface Setting. Output voltage is 0V, output current is maximum.
(When the product is released, last state setting is disabled).
Read Reference "1-2. Factory mode" "Last State" Part.
Check Sequence
▌"WWW.ODACORE.COM" will be displayed.
If you visit our website, you will able to download manual & software, upgrade information
product information.
▌Every lamp will be lighted.
▌"
INITIALIZING
" M ill b Di l d
▌"
INITIALIZING. . .
"
Message will be Dis
p
layed.
While above features are displaying, a reset will be done by fixed memory.
▌Also front lamp(CV, CC, OVP, OCP, RMT, TRK, PAR) will be lighted out.
▌"i/f -
g
pib" OR "i/f - rs232c" will be Displayed.
It will automatically search power module when communation interface is done.
▌The Product will activate Self-Test. Descriptions are below
Front panel Test
Check whether Front panel is connected
Front
panel
Test
Check
whether
Front
panel
is
connected
Analog Power Module Test Check OPM Power Module
Remote Interface Test Check Remote Interface for PC Communication
Memory Data Verification Test Check product information & setting
ADC H/W Error Test Check ADC HardWare Error
UnRegulated Condition Test Check Output Voltage Floating
ADC/DAC Calibration Test Check ADC & DAC Calibration Data
If there is an error alarm will occur and saves in fixed memory
If
th
ere
i
s an error, a
l
arm w
ill
occur an
d
saves
i
n
fi
xe
d
memory.
Press ERR Key to check the Error code.
Read reference "7. Error Messages" for more information.
Default Setting Value
▌OVP : OVP Maximum, OVP ON ▌Output ON/OFF : OFF
▌OCP : OCP Maximum, OCP ON ▌Remote Interface : Maintain Previous Setting
▌Output Voltage : 0V ▌Display after Self-Testing : "P1-OUTPUT OFF**"
▌
Output Current : Limit Maximum Settin
g
▌Cursor Location : Default Voltage
▌Output Select : P1(Positive channel) Voltage : 1V Unit
▌Tracking : OFF Current : Less than 5A, 100mA Unit
▌Parallel : OFF Less than 50A, 1A Unit
If did t d GPIB O ti RS232C ill b l t d ft l d b d t ill b 19200b
Note1
If user did not order GPIB Option, RS232C will be selected after released, baud-rate will be 19200b
p
If user ordered GPIB Option, GPIB will be selected after released, The address is 05.
Default setting value can be different due to Last State Setting from Factory Mode.
Note2
- 11 -

1-7. Product Installation
Cooling
▌The product is guaranteed in 0˚C ~ 40˚C condition. So please consider the place to use.
In area 40˚C ~ 55˚C, reduce output current 0~70%.
When it is installed in Rack, please consider about ventilation
When
it
is
installed
in
Rack
,
please
consider
about
ventilation
.
Mount Support will solve above problems.
<Diagram 1-4 Bottom view>
Bench Operation
▌There
should
be
spare
spaces
on
products
side,
front,
rear
for
ventilation.
▌There
should
be
spare
spaces
on
products
side
,
front
,
rear
for
ventilation
.
Bottom has no ventilating opening, can be used directly.
Rack Mounting
▌It is designed to be used in 3U * 19inch, please expand bumper as below diagram
and equip on the product.
<Diagram 1-5>
- 12 -

▌It fast and convenient when user use Power Supply in Rack independently, with
support OM-3U19(Option).
<Diagram 1-6>
▌It i f t d i t h l i R k D l ith t
▌
It is fast and convenient when user use
p
ower su
pp
ly in Rack Dual with su
pp
ort
OM3U19FD(Option).
<Diagram 1-7>
▌If user order OM-3U19-SS(Option), will able to use power supply easier.
<Diagram 1-8>
- 13 -

2. Front Panel, Rear Panel Structure & Function
111
2
12
OVP/OCP Setting or Calibration Key
Memory Setting or Factory Setting Key
Voltage/Current Cursor or Menu Key
Voltage/Current Cursor or Menu Key
2
12
313
414
515
616
717
818
9
19
Main Power ON
/
OFF Switch
Memory
Setting
or
Factory
Setting
Key
Channel Select Key
Voltage/Current Value Encoder Swit
c
P1 + Out
p
ut Voltage Measure Termi
n
Output voltage & current ON/OFF
Menu Escape Key
Parallel Out
p
ut Ke
y
P2 + Out
p
ut Voltage Measure Termi
n
I/O CONFIG or LOCAL Key
Earth GND Terminal
Error Message Display Key
Voltage/Current selection or Limit Display Ke
y
P1 - Out
p
ut Voltage Measure Termi
n
P2 - Out
p
ut Voltage Measure Termi
n
Voltage/Current
Cursor
or
Menu
Key
9
19
10
Main
Power
ON/OFF
Switch
Parallel
Output
Key
Tracking Output Key
- 14 -

1. OVP/OCP Setting Key or Calibration Key
OVP/OCP Protection can be selected ON/OFF and Level value can be changed.
If user turn on the power while holding this key, it will move on to calibration mode,
which able to activate caalibration setting.
2. Memory Setting or Factory Setting Key
yg ygy
It restores present voltage, current, OVP, OCP setting condition & Level value, Also
the OUTPUT ON/OFF condition.
(Track Mode & Parallel Mode will not be restored.)
If user input power while holding this key, it will move on to Factory Mode, and able to use
11 factory mode functions.
3. I/O CONFIG or LOCAL Key
It is Remote Interface setting key, able to select RS232C or GPIB and change Baud-rate
gy g
and GPIB Address. If it is Remote Interface condition, it will be operated by LOCAL Key.
4. Output Voltage & Current ON/OFF
Print or Shut-off output voltage / current from output terminal.
5. Channel Select Key
This key selects P1 and P2 control. By pressing once, the control moves from P1 to P2.
If user add power module additionally, it will automatically control the number of channels in
OPM Series.
6. Voltage/Current Select or Limit Display Key
This key selects voltage or current in Limit Display condition. In Readback Voltage or Current
Display condition, it is Limit Display Key.
7. Error Message Display Key
This key checks error messages of hardware or system error, communication error
from self-testing.
8. Menu Escape Key
This key can be used to enter Menu cancel or if user wants previous condition.
9. Parallel Output Key
This key allows all channels to be parallel for current, and P1 channel will be master channel.
10. Tracking Output Key
This key allows all the output to be tracked.
11 V l /C C M h K
11. Voltage/Current Cursor or Menu change Key
If limit setting of voltage/current is changed, the cursor key will be operate to the Left.
In Menu condition, this key can be used to change the menu.
- 15 -

12. Voltage/Current Cursor or Menu change Key
If limit setting of voltage/current is changed, the cursor key will be operate to the Left.
In Menu condition, this key can be used to change the menu.
13. Voltage/Current Numerical change encoder switch
Switch which changes voltage / current numerical.
gg/
14. P1 + Output Voltage Measuring Terminal
P1 + Output terminal able to measure power from +.
P1 - Output terminal is a pair.
The terminal which supplies to the load is located at the rear side.
15. P1 - Output Voltage Measuring Terminal
pg g
P1 - Output terminal able to measure power from -.
P1 + Output terminal is a pair.
The terminal which supplies to the load is located at the rear side.
16. P2 + Output Voltage Measuring Terminal
P2 + Output terminal able to measure power from +.
P2 - Output terminal is a pair.
The terminal which supplies to the load is located at the rear side.
17. P2 - Output Voltage Measuring Terminal
P2 - Output terminal able to measure power from -.
P2 + Output terminal is a pair.
The terminal which supplies to the load is located at the rear side.
18. Earth GND Terminal
It is connected with product chassis, also with ground which supplied from AC Power.
19. Main Power ON/OFF Switch
Mechanical switch which input, shut-off AC Main Power.
Do not connect load with output measuring terminal on the front panel.
The actual Output terminal is on the rear side.
If there is a electric on front panel, it can be damaged seriously.
WARNING
- 16 -

2-1. Front-Panel Voltage Current Setting
Read below description to change Limit Setting Value of Voltage and Current.
1. After power ON, check "P1-OUTPUT OFF" is displayed on VFD.
2. To select output channel, press Key to move on to the channel.
3. Press V/I & LMT DISPLAY Key to move on to Limit Mode.
4. Press Key to select Voltage and Current.
5. To increase or decrease the value, press or to move digit location.
6. To increase the Limit value, rotate encoder switch clockwise.
To decrease, rotate encoder switch anti-clockwise.
7. Check whether the value is changed on VFD Display.
8 T i t tti v lt & u t OUTPUT ON/OFF KEY
8
.
T
o
p
r
i
nt sett
i
ng vo
l
tage
&
current,
p
ress
OUTPUT
ON/OFF
KEY
.
If an error occurred while『Self-test』, press button to check.
Read "7. Error Messages" for more information about Error Code.
Note1
If user press V/I & LMT DISPLAY KEY, "P1-OUTPUT OFF" message will be disappeared, and moves
on to limit display condition. If there is no command until 5seconds, it will return to page
"P1-OUTPUT OFF".
Note2
If it is Remote Interface condition, Front Panel Keys and encoder switch will not work.
After quitting Remote Interface, press key to return to Local condition.
Note3
- 17 -