Excell QWS User manual

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Us se er r M Ma an nu ua al l
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Wa at te er rp pr ro oo of f I In nd di ic ca at to or r
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© Excell Precision Limited 2016. All rights reserved Worldwide.
The information contained herein is the property of Excell Precision Limited and is
supplied without liability for errors or omissions. No part may be reproduced or used
except as authorised by contract or other written permission. The copyright and the
foregoing restriction on reproduction and use extend to all media in which the information
may be embodied.

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EXCELL PRECISION CO., LTD.
TABLE OF CONTENT
Function Table....................................................................................................................................2
Intructions for Use .............................................................................................................................5
Preparing to Use the Scale..............................................................................................................5
Chapter 1 Introduction......................................................................................................................7
1-1 Features...................................................................................................................................7
1-2 Specifications ..........................................................................................................................7
1-3Appearance .............................................................................................................................7
1-4 Display Description ................................................................................................................9
1-5 Power Supply..........................................................................................................................9
1-6 Keypad Function...................................................................................................................10
1-7 Error Messages ....................................................................................................................11
1-8Available Units.......................................................................................................................11
1-9 Firmware Version..................................................................................................................11
Chapter 2 General Function Setting.............................................................................................12
2-1 Backlight and Auto. Power Off Setting ..............................................................................12
2-2 Simple Counting Mode ........................................................................................................12
2-3Accumulation.........................................................................................................................13
2-4 Hold Mode (Animal) .............................................................................................................14
2-5 Self-Test Mode......................................................................................................................15
Chapter 3 Further Function Setting..............................................................................................16
3-1 Enter Function Setting .........................................................................................................16
3-2 FunctionSetting....................................................................................................................16
3-2-1 Hi / Lo / OK Setting (P0 ChK).....................................................................................17
3-2-2 RS-232 Setting (P2 CoM)............................................................................................18
3-2-3 Transmit Mode Setting .................................................................................................19
3-2-4 Real Time Clock Setting ..............................................................................................20
3-2-5 Continuous Transmit Rate (rPS) ................................................................................20
3-3 Other Function Settings (P4 oth) .......................................................................................21
3-4 Weight Unit Setting (P5 unt)...............................................................................................22
3-5 External calibration (P6 ZCL) .............................................................................................23
3-6 Restore Default Setting (P7 rSt).........................................................................................23
Chapter 4 Wireless Connection Instruction ..................................................................................24
Appendix 1 Output Format.............................................................................................................30
Appendix2 ASC II Code Table......................................................................................................32
Appendix 3 7-Segment Display Characters ................................................................................33
Appendix4 Wiring Instructions......................................................................................................34

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EXCELL PRECISION CO., LTD.
Function Table
For non-approval models
Main menu
Sub-menu
Available
settings
Description
P0 ChK
(Hi/OK/Lo Setting)
(3-2-1)
SEt h
High limit value (weighing)
SEt L
Low limit value (weighing)
PCS h
High limit value (counting)
PCS L
Low limit value (counting)
bEEP
no
No beep
oK*
Beep within the high and lower limits value
nG
Beep beyond the high or lower limits value
P1 rEF
Function Reserved
Pr2 CoM
(RS-232 Setting)
(3-2-3)
ModE
(3-2-4)
Auto
Auto accumulate transmit
CoMAnd
Command mode
Cont
Continuous transmit
St1*
Stable transmit (Single)
StC
Stable transmit (Continuous)
Pr1
Press key to transmit
Pr2
Press key to transmit
bAud
Baud rate setting: 600, 1200, 2400, 4800, 9600*, 19200
Pr
Communication setting: *n81, E71, o71
rPS
Continuous Transmit rate: 1, 2, 4, 8, 16 or MAX* (3-2-6)
PtyPE
PtUP*
Print type: Standard print
Lab
Output format: 0*, 1, 2, 3
Prt
LAnG
ENG*
Language:English
rtC
RTC setting (3-2-5)
rtCFO
Time display: year_month_day or day_month_year
rS485
RS-485 ID entering
P3 CAL
Function Reserved
P4 oth
(Other setting)
(3-4)
AnM
Animal mode: on, oFF*
AVErG
Auto average unit weight: on, oFF*
r tAr
Tare range
St
Continuous tare: on*, oFF
Ft FnC
Foot switch: ZEro*, tArE, rint
P5 unt
(weight unit setting)
(3-5)
G
Use gram: on, oFF
Lb
Use pound: on, oFF
oZ
Use pound ounce: on, oFF
tJ
Use Taiwan Tael: on, oFF
hJ
Use H.K. Tael: on, oFF
ViSS
Use viss: on, oFF
P6 ZCL
External calibration
P7 rSt
Restore default setting
Default settings are marked by*

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For approval models
Main menu
Sub-menu
Available
settings
Description
P0 ChK
(Hi/OK/Lo Setting)
(3-2-1)
SEt h
High limit value (weighing)
SEt L
Low limit value (weighing)
PCS h
High limit value (counting)
PCS L
Low limit value (counting)
bEEP
no
No beep
oK*
Beep within the high and lower limits value
nG
Beep beyond the high or lower limits value
Pr2 CoM
(RS-232 Setting)
(3-2-3)
ModE
(3-2-4)
Auto
Auto accumulate transmit
CoMAnd
Command mode
Cont
Continuous transmit
St1*
Stable transmit (Single)
StC
Stable transmit (Continuous)
Pr1
Press key to transmit
Pr2
Press key to transmit
bAud
Baud rate setting: 600, 1200, 2400, 4800, 9600*, 19200
Pr
Communication setting: *n81, E71, o71
rPS
Continuous Transmit rate: 1, 2, 4, 8, 16 or MAX* (3-2-6)
PtyPE
PtUP*
Print type: Standard print
Lab
Output format: 0*, 1, 2, 3
Prt
LAnG
ENG*
Language:English
rtC
RTC setting (3-2-5)
rtCFO
Time display: year_month_day or day_month_year
rS485
RS-485 ID entering
P4 oth
(Other setting)
(3-4)
AnM
Animal mode: on, oFF*
AVErG
Auto average unit weight: on, oFF*
r tAr
Tare range
St
Continuous tare: on*, oFF
Ft FnC
Foot switch: ZEro*, tArE, rint
P5 unt
(weight unit setting)
(3-5)
G
Use gram: on, oFF
Lb
Use pound: on, oFF
oZ
Use pound ounce: on, oFF
tJ
Use Taiwan Tael: on, oFF
hJ
Use H.K. Tael: on, oFF
ViSS
Use viss: on, oFF
Default settings are marked by*

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EXCELL PRECISION CO., LTD.
SPECIAL NOTICE
While installing the load cell, power cord hookup or replacing a new rechargeable battery,
the indicator housing must be opened. It must be done bya technician assigned by your
electronic indicator provider to avoid affecting the waterproof abilityof this indicator.
Before opening the housing, make sure the indicator is dry,if there is any liquid onit,
please wipe it witha cleancloth.
HOW TO INSTALL THE HOUSING
After installing the load cell, power cord hookup or replacing a new rechargeable battery,
the housing must be screwed bythe assigned order as shownbelow. Screw lightly first,
then screw them tight using a 12 kgf-cm torsion.
P.s.Please use a torsion-adjustable screw driver.
Screwing order:
1
3
6
5
2
4
QWS
GWS
GWS

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Intructions for Use
1. The load placed on the weigh pan must NOT exceed the maximum weighing capacity
of the scale.
2. Protect the scale from high temperatures.
3. Avoid objects impacting with the scale. Do not drop loads onto the scale or subject the
weighpan to anystrong shock loads.
4. Please operate or charge the scale in an open area. Do not squeeze the power cord to
avoid wire on fire.
5. Anysuggestion for product is welcomed
Preparing to Use the Scale
1. Locate the scale ona firm level surface free from vibrations for accurate weight
readings.
2. Adjust the four levelling feet (if fitted) to set the scale pan level.
3. Avoid operating the scale in directsunlightor drafts of any kind.
4. If possible avoid connecting the scale to ac power outlet sockets whichare adjacent to
other appliances to minimise the possibility of interference affecting the performance of
the scale.
5. Remove any weight that might be on the weighpanbefore the scale is switched on
and avoid leaving weight on the pan for long periods of time
6. Allgoods weighed should be placed in the centre of the weigh panfor accurate
weighing. The overall dimensions of the goods being weighed should not exceed the
dimension of the weigh pan.
7. Once the scale has been powered on, it will go throughanLCD display test and it is
ready for use when the display shows zero.
8. The scale requires 15~20 minutes warm up before operation to ensure best accuracy
9. Please note when the symbol keeps flashing on the screen, the batteries need to
be recharged.
10.Introduction of Storage Battery
Thank you for purchasing EXCELL Weighing
Indicator, to help use the product properly,
operate smoothly, and extend its life cycle,
please read this manual carefully.

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No burning
Caution Corrosion
Due to the storage battery adopt the advanced free-maintaining technique, customers
need not to replenish electrolyte.
The scale should be recharged every 3 months to prevent failure of the internal
rechargeable battery.
1. The batteryshould be charged for 8~10 hours.
2. The temperature of batteryshould below 45℃.
Maintaining
1. Please do not discharge with over-current when using the battery. Please charge the
batteryafter discharging current.
2. Please take down the battery when the scale is not used for a long time or break the
connection of cathode.
3. Do not short the battery terminals to check whether there is current. Please check
whether the connection point is firm to guarantee good connection.
4. The battery should be replaced by specialized person. No reverse-battery or the
product will be damaged.
a) Anode of battery should be connected with Anode of product battery（usually red
cable）
b) Cathode of battery should be connected with Cathode of product battery (usually
brown cable or black cable)
c) See the picture following
Safety warnings
1. The electrolyte of battery is caustic whichcauses metal, cotton, etc to corrode.
2. The hydrogen will be resolved when using or charging the battery and it will cause
explosion when approaches fire.
Brown cable(or black cable)
connected with Cathode of
battery
Red cable connected with
Anode of battery
Warning explosion
Children faraway

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80 mm
Chapter 1 Introduction
1-1 Features
Extra-large and wide LCD display(175 x 70mm) 6 digits with55mm height
COOLWHITE LED backlight
QWS with 304 stainless steel housing while GWS with plastic ABS housing.
Sealed to IP68, Waterproof, mist-proof and dustproof (Only use cables of 3mm~5mm
diameter to ensure correct sealing of the cable glands)
Kilogram (kg) and pound (lb) weighing modes
Full range tare; Pre-tare;Auto zero tracking; Sampling counting;
Gross/Net indication
Hold function; Check mode Lo/Hi/OK; Auto average unit weight;
Adjustable gravity value
Low power indication and auto power off
AC/DC power inand rechargeable battery.
Built-in RS-232
Options: wireless transmitter, foot switch, pressure release valve, and RS-485
1-2 Specifications
Analogue Input: Input Sensitivity0.3V/d (Min.)
Input Signal Range: -1mV~+14mV
Input Zero Range: -1mV~+5mV
Load Cell Excitation: 5V DC
Load CellDrive Capacity: Up to 8 x350load cells
Non-linearity: 0.01% of fullscale
A/D Resolution: 500,000 counts (Maximum)
Operating temperature: -10℃~ 40℃
1-3 Appearance
QWS
232 mm
170mm

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[Standard] [Option]
GWS
[Standard] [Option]
Power
RS-232
Load Cell
Power
Foot switch or RS-485
Pressure relieve valve or RS-485
RS-232
Load Cell
90mm
156m m
238mm
Power
Load Cell
RS-232
Footswitch
RS-485
Load Cell
RS-232
Power

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1-4 Display Description
HI
:
Upper limit
“  ”indications description
OK
:
Value between HI and LO
 1
:
“STABLE” indication
LO
:
Lower limit
 2
:
“GROSS” indication
kg
:
Unit “kilogram”
 3
:
“Hold” indication
g
:
Unit “gram”
 4
:
“Pre-tare”indication
lb
:
Unit “pound”
 5
:
Range 2
斤
:
Unit “hk tael” or “Taiwan tael”
 6
:
Range 1
Pcs
:
“Counting mode” indication
 7
:
“M+”indication
O
:
“Zero”indication
Net
:
“Net”indication
:
Flashing,Low Power indication
1-5 Power Supply
Power Supply Selection
➀6V / 4.5Ah rechargeable battery
➁110/230VAC ±15％(plugged-in)
Power Consumption
Approximately DC 31 mA (Indicator + Load Cell)
Approximately DC 65 mA (Indicator + Load Cell + Displaybacklight)
Approximately DC 80 mA (Indicator + Load Cell + Wireless 100M)
Approximately DC 65 mA (Indicator + Load Cell + Displaybacklight +Wireless 100M)
Charging Voltage
DC 10V/1A
Low Battery Warning
Please note when the ( ) symbol keeps flashing on the display, the battery should be
recharged.
1
2
3
4
5
6
7

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The scale will turnoff automaticallyafter a few hours when the low battery warning
symbol shows up. The scale must be fully charged, before operating again.
Whenthe batterystatus indication is full, the power is about 6.1V; eachblock is about
0.2V; when the battery warning symbol shows up, the power is about 5.4V.
1-6 Keypad Function
：Press the key to switch the indicator on or off.
：Zero key. If the weighing value is within the range of zero balance, it can be
re-zeroed. Confirm keyin functionoperating Press this key for 3 seconds
to enter backlight setting in weighing mode.
：Shift betweengross weight and net weight. Press this key for 3 seconds to
shift units in weighing mode. Press this key for 3 seconds to exit insimple
counting mode Press this key to exit or returnin function operating.
：Print key. It needs to connect with printer. According to the setting, press this
key to transmit simple or completed mode format. Press this key to clear the
entering numbers.
：Accumulationkey. According to the setting, press this key to transmit simple or
completed mode format. Press this key to move the cursor leftward when
entering numbers. Press this key for 3 seconds to display in high resolution
mode.
：Check accumulationcounts and total weight. Press this key for 3 seconds to
enter simple counting mode in weighing mode. Press this key to move the
cursor rightward when entering numbers.
：Tare key. It canbe tare except when the weight is negative and the maximum
capacity. It is selection keyin function operating. Press this key to increase
number when entering numbers.
Pre-tare function:
When there is nothing on the platter and weight is zero, press keyand enter
pre-tare weight. After enter pre-tare weight, press key to comfirm or press
key to exit without saving. Pre-tare mode, keypad functionas following
⇒upward key ⇒move cursor leftward ⇒save setting
⇒clear ⇒move cursor rightward ⇒exit without saving

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Compound key
+ ：Only when it is set“ON”in Hold function, press these 2 keys together to call
up Hold function.
+ ：Press these 2 keys together to call up Hi/Lo/Ok setting.
+ ：Press these 2 keys together to clear the accumulationdata when there is
no weight in accumulation mode. M+ indication “”disappears.
High Resolution：Press keyfor 3 seconds to shift to high resolution display. And it
returns to original resolution after release key for 3 seconds.
1-7 Error Messages
The EEPROM is not working correctly. (EEPROM is missing or circuit neaby
EEPROM is damaged.)
Zero is higher than the zero range when switching the indicator on.
Zero is lower than the zero range whenswitching the indicator on.
ADIC value is over the maximum range.
The weight of the object is over 9 divisions of the maximum capacity.
The weight of the object is under -1/6 maximum capacity.
1-8 Available Units
kg
1 g = 0.001 kg
g
1 g = 1 g
lb
1 g = 0.002204623 lb
lb,oz
1 g = 0.03527396 oz
Taiwan Tael
1 g = 0.02666667 Tael
H.K. Tael
1 g = 0.02645546 Tael
viss
1 kg = 0.612245 viss
1-9 Firmware Version
When power is off, hold keyand press key to wait till displayshows 01AdC and
then press key twice to enter 03 VEr. Press keyand displays firmware version
02027 and then press key to display maintenance number 011 for 2 secs. Press
key to back to last screenand displays 03 VEr.

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Chapter 2 General Function Setting
2-1 Backlight and Auto. Power Off Setting
Press key for 3 seconds to enter backlight setting (SEtbL).Press keyagain to
confirm. Press key to select on/oFF and press key to exit.
Auto. Power off setting: Press keyfor 3 seconds to enter backlight setting (SEtbL), and
then press key to select SEt oF. Press key again to confirm. Press key to
select time 0, 3,5,15 or 30 min.After selecting time, press key to save the setting or
press key to exit.
Default settings are marked by*
2-2 Simple Counting Mode
In weighing mode, hold keyto enter simple counting mode and displayshows “PCS
10”. Use key to select sampling number 10, 20, 50,100 or 200.
Select a sampling number, and put appropriate weight on platter, and press key.
Displayshows“-------”. The scale enter counting mode after weight is stable, and display
shows the sampling number.
(0, 3, 5, 15, 30)
.
kg
Backlight on*
Backlight off
Auto. Power off
or
or
or
0
1
.
kg
Press key for 3 secs
(Press key to select 10, 20, 50,100
or 200 and pres key to confirm)
Press key tosave the setting or press key
to exit and back to sampling mode or press key
for 3 secs to back to weighing mode.

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Press keybefore finishing sampling, it will exit and back to weighing mode.
After Power-off, the scale automatically memorizes the sampling number, and it is
available when “Pcs” unit is selected next time.
When the setting “automatic average unit weight “is turned on, if the object on platter > the
previous sampling number more than 5 pcs, and also <200% the previous sampling
number, the scale will execute unit weight calibrationautomatically.
2-3 Accumulation
Manual Accumulation
Please set as following: P2 CoM ModE Pr2.
Manual accumulation willsum up the individual weighing values into the memory by
pressing key. This canbe repeated 99 times or up to the capacityof the system.
To check accumulation counts and accumulation weight by pressing key.
To print bypressing key.
To clear the accumulation data whenthere is no weight bypressing +keys. Then
M+ indication “”disappears.
Auto. Accumulation
Please set as following: P2 CoM ModE Auto.
Auto. accumulation will sum up the individual weighing values into the memory
automatically. This can be repeated 99 times or up to the capacityof the system.
To check accumulation counts and accumulation weight by pressing key.
To print bypressing key. To clear the accumulationdata when there is no weight by
pressing +keys. Then M+ indication “”disappears.
After stable, ▽1
shows up
Counting mode
Total weight
Unit weight
Put sampling
quantities
1
0
Pcs
After 0.5 secs
After 0.5 secs
1
0
Pcs
1
Pcs
.
kg
1
.
kg
1
Press key tosave the setting or press key
to exit and back to sampling mode or press key
for 3 secs to back to weighing mode.

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Examples for Manual Accumulation
Setting as following: P2 COM Lab2/Prt 1 Setting as following: P2 COM Lab0/Prt0
1 First weighing
1 First weighing
2 Second weighing
2 Second weighing
3 Third weighing
3 Third weighing
4 Number of weighings
print
4 Number of weighings
print
Please seeAppendix 1 Output Format (A)
2-4 Hold Mode (Animal)
When the animal mode is enabled (P4 oth AnM is set to on), press + keys to
enter Hold Mode.
: Hold mode disabled
: “Peak hold” mode: The scale keeps displaying the maximum weight when the weight is
continually changing. Press any key to exit this mode.
: “Stable hold 1” mode: When the weight is stable, the LCD shows the current weight value (Not
changeable due to external variables). Press any key to exit this mode.
: “Stable hold 2” mode: When the weight is stable, the LCD shows the current weight value (Not
changeable due to external variables). When the weight backs to zero(<10e), the hold mode is
cancelled automatically.
: “Animal scale hold” mode: When the scale returns back to zero, the display shows “ - - - - - - ”.
After the animal or object is on the platter and the scale becomes stable, the display shows the
weight value and hold. Then when the animal or object is off the platter, the display shows “ - - -
- - - ” (or the weight is less than 10e) and the hold function is off. If the scale is hardly stable
when the animal is on the platter, the scale shows the average weight in 10 seconds and holds
the status.
Back to
weighing mode
Back to
weighing mode
Back to
weighing mode
Press key tosave the setting or press
key to exit with out saving and back to
weighing mode.
(Press key to select 0, 1, 2, 3 or 4
press key to confirm)

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EXCELL PRECISION CO., LTD.
Internal Value Mode ( must hook up full-bridge Load Cell to test)
Pres keyand displayshows internal value
Please check the internal value is withinrange
Check whether the backlight is on
Press keyto back to last screen, the displayshows
Keypad Test Mode
Press keyto enter, display shows
Keypad’s internal cod: = 04, =05, =07, =06, = 03
Press keyto back to last screen, the displayshows
Firmware Version Display Mode
Press keyto enter, display shows the firmware version
Press keyagain, the displayshows maintenance number for 2 seconds
Press keyto back to the last screen, displayshows
Back to the Last Screen
Press key, exit self-test mode, the scale will reboot automatically.
Hold Mode (Animal) Setting
2-5 Self-Test Mode
When power is off, hold keyand press key to wait till displayshows 01AdC to
enter “Self-Test Mode”
%
Counts averaging setting
Press key to select 1, 2, 4, 8, 16, 32, 64
Press key to confirm. Default setting = 8
Error range setting (1%~100%)
Press key to adjust; Press key to confirm
Press or key to move cursor
Default setting = 10%

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EXCELL PRECISION CO., LTD.
Chapter 3 Further Function Setting
3-1 Enter Function Setting
Power on the scale and before the scale counts down to zero, press key first.And
then press keys inorder and within10 seconds to enter Function setting.
If you press the wrong key, please press key againand press three keys inorder
before entering weighing mode.
3-2 Function Setting
Switch the switch SWA1 back to the LOCK position for approval models, while switch
the switch SWA1 to theADJ position for non-approval models.
Press key to select function. After selection, press keyto enter the setting.
Hi/Lo/OK setting
Function Reserved
RS-232 setting
Other function setting
Unit setting
External Calibration
Restore default setting
Function Reserved
Press key to exit and back
to weighing mode.
Only for non-approval models are
marked by

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EXCELL PRECISION CO., LTD.
3-2-1 Hi / Lo / OK Setting (P0 ChK)
After enter Hi/Lo/OK setting, the displayshows “P0CHK”or press + keys in
weighing mode to enter the setting (SEt h). The cursor starts at the third digits.After
entering numbers, press keyto save the setting or press key to exit without
saving.If make mistakes, e.g. Hi value﹤Lo value, displayshows “Error” and thenback
to last saved value.
Please set weight as 000.000 kg and quantityas 000000 pcs to cancel Hi and Lo value.
If the weight is less than20d, check weight function is not activated.
Default settings are marked by*
or
: Clear : move the cursor leftward
: Upward key : move the cursor rightward
no ⇒no beep
oK*⇒Beep within the Hi and
Lo value
nG ⇒Beep beyond the Hi or
Lo value
.
kg
Please refer to 2-2 to set
sampling and average unit
weight
Or press
+
or
.
kg
or
pcs
or
pcs
or
Press key to back to last step

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3-2-2 RS-232 Setting (P2 CoM)
Press key to select “P2 CoM”. In each setting, Press keyto save the setting or
press key to exit without saving and back to last setting.
Please seeAppendix 1 for output format
Default settings are marked by*
: clear : move to left
: upward : move to right
: confirm : cancel
Standard print
Transmit mode
Baud rate
Communication
setting
Continuous
Transmit rate
Print type
Output format
Lab
Output format
Prt
Language
Please see 3-2-3
Time display
(Option)
Real time clock
(Option)
Please see 3-2-4
Year/month/date
Date/month/year
RS-485 ID
(Option)
English
Please see 3-2-5
or
or
or
or
or
or
or
or
Press key to select 0*, 1, 2, 3
Press key to confirm.
Press key to select 0*, 1, 2, 3
Press key to confirm.
Press key to select n81*, E71 or
o71. Press key to confirm.
Press key to select 600, 1200,
2400, 4800, 9600*, 19200. Press
key to confirm.
For Wireless models, baud rate must be set as
9600 (bits/sec) and Communication protocol must
be set as n81.