KERN DS 3K0.01S User manual

KERN & Sohn GmbH
www.kern-sohn.com
Ziegelei 1
72336 Balingen-Frommern
Germany
+0049-[0]7433-9933-0
+0049-[0]7433-9933-149
[email protected]
Operating instructions
Platform balance
KERN DS
Type TDS-A
Version 1.1
2023-03
GB
TDS-A-BA-e-2311

2 TDS-A-BA-e-2311
GB
KERN DS
Version 1.1 2023-03
Operating instructions
Platform balance
Content
1Technical data.................................................................................................... 5
2Declaration of conformity................................................................................ 10
3Appliance overview.......................................................................................... 11
3.1 Components................................................................................................ 11
3.2 Operating elements..................................................................................... 12
3.2.1 Keyboard overview..........................................................................................12
3.2.2 Numerical input...............................................................................................13
3.2.3 Overview of displays .......................................................................................13
4Basic Information (General)............................................................................ 14
4.1 Proper use................................................................................................... 14
4.2 Improper Use............................................................................................... 14
4.3 Warranty...................................................................................................... 14
4.4 Monitoring of Test Resources...................................................................... 15
5Basic Safety Precautions ................................................................................ 15
5.1 Pay attention to the instructions in the Operation Manual ........................... 15
5.1 Personnel training........................................................................................ 15
6Transport and storage..................................................................................... 15
6.1 Testing upon acceptance ............................................................................ 15
6.1 Packaging / return transport........................................................................ 15
7Unpacking, Installation and Commissioning................................................. 16
7.1 Installation Site, Location of Use................................................................. 16
7.2 Unpacking and checking ............................................................................. 17
7.3 Assembling, Installation and Levelling......................................................... 17
7.3.1 Transportation lock..........................................................................................18
7.4 Mains connection......................................................................................... 19
7.5 Rechargeable battery operation (factory option) ......................................... 20
7.5.1 Load rechargeable battery ..............................................................................20
7.6 Connection of peripheral devices ................................................................ 21
7.7 Initial Commissioning................................................................................... 21
7.8 Adjustment .................................................................................................. 21

TDS-A-BA-e-2311 3
7.8.1 External adjustment <CalExt > ................................................................22
7.8.2 External adjustment with user-defined adjustment weight < caleud >.......23
7.8.3 Gravitational constant adjustment location < graadj >..............................25
7.8.4 Gravitational constant place of location < grause >...................................26
8Basic Operation ............................................................................................... 27
8.1 Turn on/off................................................................................................... 27
8.2 Simple weighing .......................................................................................... 27
8.3 Zeroing........................................................................................................ 28
8.4 Taring.......................................................................................................... 28
8.5 Change-over button (standard settings)...................................................... 29
8.5.1 Switch-over weighing unit................................................................................30
8.5.2 Display gross weight value..............................................................................31
8.6 Underfloor weighing..................................................................................... 32
9Operating concept ........................................................................................... 33
10 Application <Weighing>............................................................................... 35
10.1 Application-specific settings..................................................................... 35
10.2 PRE-Tare................................................................................................. 36
10.2.1 Take over the placed weight as PRE-TARE value...........................................36
10.2.2 Enter the known tare weight numerically.........................................................37
10.3 Data-Hold function ................................................................................... 37
10.4 Weighing Units......................................................................................... 38
10.4.1 Setting weighing unit.......................................................................................38
10.4.2 Weighing with multiplication factor via the application unit <FFA>...................39
10.4.3 Percent weighing by application unit <%>.......................................................39
10.4.4 Molar weighing mode......................................................................................40
11 Application <Counting> ............................................................................... 41
11.1 Application-specific settings..................................................................... 41
11.2 Using the application................................................................................ 42
11.2.1 Piece counting.................................................................................................42
11.2.2 Target counting...............................................................................................45
12 Application < Checkweighing >................................................................... 48
12.1 Application-specific settings..................................................................... 48
12.2 Using the application................................................................................ 49
12.2.1 Target weighing...............................................................................................49
12.2.2 Checkweighing................................................................................................52
13 Menu .............................................................................................................. 54
13.1 Navigation in the menu............................................................................. 54

4 TDS-A-BA-e-2311
13.2 Application menu...................................................................................... 54
13.3 Setup menu.............................................................................................. 55
13.3.1 Overview <setup >....................................................................................55
14 Communication with peripheral devices via KUP connection.................. 60
14.1 KERN Communications Protocol (KERN Interface Protocol)................... 61
14.2 Issue functions......................................................................................... 62
14.2.1 Add-up mode <sum >....................................................................................62
14.2.2 Data output after pressing the PRINT button < manual >...........................64
14.2.3 Automatic data output < auto >...................................................................65
14.2.4 Continuous data output < cont >.................................................................65
14.3 Data format .............................................................................................. 66
15 Servicing, maintenance, disposal............................................................... 67
15.1 Cleaning................................................................................................... 67
15.2 Servicing, maintenance............................................................................ 67
15.3 Disposal ................................................................................................... 67
16 Instant help for troubleshooting.................................................................. 68
17 Error messages............................................................................................. 69

TDS-A-BA-e-2311 5
1 Technical data
KERN
DS 3K0.01S
DS 5K0.05S
DS 8K0.05
Item no./ Type
TDS 3K0.01S-A
TDS 5K0.05S-A
TDS 8K0.05-A
Readability (d)
0.01 g
0.05 g
0.05 g
Weighing range (max)
3 kg
5 kg
8 kg
Reproducibility
0.02 g
0.05 g
0.05 g
Linearity
±0.05 g
±0.15 g
±0.15 g
Stabilization time (typical)
3 s
Smallest part weight for
piece counting - under lab
conditions*
10 mg
10 mg
50 mg
Smallest part weight for
piece counting - under
normal conditions**
100 mg
100 mg
500 mg
Adjustment points
1 / 2 / 3 kg
1 / 2 / 3 kg
2 / 4 / 5 / 7 / 8 kg
Recommended adjust-
ment weight, not added
(class)
3 kg (F1)
5 kg (F1)
2 kg (F1); 5 kg (F1)
Warm-up time
2 h
Weighing Units
kg, g, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, mo, lb, oz
Humidity of air
max. 80% rel. (non-condensing)
Allowable ambient tempe-
rature
- 10 °C ... + 40 °C
Input voltage Appliance
6 V, 1 A
InputvoltageMainsadapter
100 V - 240 V AC; 50 / 60 Hz
Storage battery operation
(optional)
Operating time 48 hrs (backlight off)
Operating time 24 hrs (backlight on)
Loading time approx. 8 hrs.
Auto-Off (rechargeable
battery)
selectable off, 30s, 1, 2, 5, 30, 60 min
Dimensions housing
225 x 115 x 60 (W x D x H) [mm]
Weighing plate
228 x 228 x 95 (W x D x H) [mm]
Metal, lacquered
308 x 318 x 75 (W x D x H)
[mm]
Metall, lacquered
Net weight (kg)
4.1
7.5
Interfaces
RS-232 (optional), USB-Device (optional) via KUP
Underfloor weighing de-
vice
no
Hook (optional)

6 TDS-A-BA-e-2311
KERN
DS 10K0.1S
DS 16K0.1
DS 20K0.1
Item no./ Type
TDS 10K0.1S-A
TDS 16K0.1-A
TDS 20K0.1-A
Readability (d)
0.1 g
0.1 g
0.1 g
Weighing range (max)
10 kg
16 kg
20 kg
Reproducibility
0.1 g
0.1 g
0.1 g
Linearity
±0.3 g
±0.3 g
±0.3 g
Stabilization time (typical)
3 s
Smallest part weight for
piece counting - under lab
conditions*
100 mg
100 mg
100 mg
Smallest part weight for
piece counting - under
normal conditions**
1 g
1 g
1 g
Adjustment points
2 / 5 / 10 kg
5 / 10 / 15 / 16 kg
5 / 10 / 15 / 16 kg
Recommended adjust-
ment weight, not added
(class)
10 kg (F1)
5 kg (F1); 10 kg (F1)
5 kg (F1); 10 kg (F1)
Warm-up time
2 h
Weighing Units
kg, g, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, mo, lb, oz
Humidity of air
max. 80% rel. (non-condensing)
Allowable ambient tempe-
rature
- 10 °C ... + 40 °C
Input voltage Appliance
6 V, 1 A
InputvoltageMainsadapter
100 V - 240 V AC; 50 / 60 Hz
Storage battery operation
(optional)
Operating time 48 hrs (backlight off)
Operating time 24 hrs (backlight on)
Loading time approx. 8 hrs.
Auto-Off (rechargeable
battery)
selectable off, 30s, 1, 2, 5, 30, 60 min
Dimensions housing
225 x 115 x 60 (W x D x H) [mm]
Weighing plate
228 x 228 x 95 (W x D x H) [mm]
Metal, lacquered
308 x 318 x 75 (W x D x H) [mm]
Metal, lacquered
Net weight (kg)
4.1
7.5
Interfaces
RS-232 (optional), USB-Device (optional) via KUP
Underfloor weighing de-
vice
no
Hook (optional)

TDS-A-BA-e-2311 7
KERN
DS 30K0.1
DS 30K0.1L
DS 36K0.2
Item no./ Type
TDS 30K0.1-A
TDS 30K0.1L-A
TDS 36K0.2-A
Readability (d)
0.1 g
0.1 g
0.2 g
Weighing range (max)
30 kg
30 kg
36 kg
Reproducibility
0.2 g
0.2 g
0.2 g
Linearity
±0.5 g
±0.5 g
±0.6 g
Stabilization time (typical)
3 s
Smallest part weight for
piece counting - under lab
conditions*
100 mg
100 mg
100 mg
Smallest part weight for
piece counting - under
normal conditions**
1 g
1 g
1 g
Adjustment points
10 / 15 / 20 / 30 kg
10 / 15 / 20 / 30 kg
10 / 15 / 20 / 30 / 36 kg
Recommended adjust-
ment weight, not added
(class)
30 kg (E2)
30 kg (E2)
10 kg (F1); 20 kg (F1)
Warm-up time
2 h
Weighing Units
kg, g, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, mo, lb, oz
Humidity of air
max. 80% rel. (non-condensing)
Allowable ambient tempe-
rature
- 10 °C ... + 40 °C
Input voltage Appliance
6 V, 1 A
InputvoltageMainsadapter
100 V - 240 V AC; 50 / 60 Hz
Storage battery operation
(optional)
Operating time 48 hrs (backlight off)
Operating time 24 hrs (backlight on)
Loading time approx. 8 hrs.
Auto-Off (rechargeable
battery)
selectable off, 30s, 1, 2, 5, 30, 60 min
Dimensions housing
225 x 115 x 60 (W x D x H) [mm]
Weighing plate
308 x 318 x 75 (W x D x
H) [mm]
Metal, lacquered
500 x 400 x 125 (W x
D x H) [mm]
Metal, lacquered
308 x 318 x 75 (W x D
x H) [mm]
Metal, lacquered
Net weight (kg)
7.5
19
9.5
Interfaces
RS-232 (optional), USB-Device (optional) via KUP
Underfloor weighing de-
vice
Hook (optional)
no
Hook (optional)

8 TDS-A-BA-e-2311
KERN
DS 36K0.2L
DS 60K0.2
DS 65K0.5
Item no./ Type
TDS 36K0.2L-A
TDS 60K0.2-A
TDS 65K0.5-A
Readability (d)
0.2 g
0.2 g
0.5 g
Weighing range (max)
36 kg
60 kg
60 kg
Reproducibility
0.2 g
0.4 g
0.5 g
Linearity
±0.6 g
±1 g
±1.5 g
Stabilization time (typical)
3 s
Smallest part weight for
piece counting - under lab
conditions*
100 mg
200 mg
200 mg
Smallest part weight for
piece counting - under
normal conditions**
1 g
2 g
2 g
Adjustment points
10 / 15 / 20 / 30 / 36 kg
20 / 30 / 50 / 60 kg
20 / 30 / 50 / 60 kg
Recommended adjust-
ment weight, not added
(class)
10 kg (F1); 20 kg (F1)
60 kg (F1)
50 kg (F1)
Warm-up time
2 h
Weighing Units
kg, g, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, mo, lb, oz
Humidity of air
max. 80% rel. (non-condensing)
Allowable ambient tempe-
rature
- 10 °C ... + 40 °C
Input voltage Appliance
6 V, 1 A
InputvoltageMainsadapter
100 V - 240 V AC; 50 / 60 Hz
Storage battery operation
(optional)
Operating time 48 hrs (backlight off)
Operating time 24 hrs (backlight on)
Loading time approx. 8 hrs.
Auto-Off (rechargeable
battery)
selectable off, 30s, 1, 2, 5, 30, 60 min
Dimensions housing
225 x 115 x 60 (W x D x H) [mm]
Weighing plate
500 x 400 x 125 (W x D x H) [mm]
Metal, lacquered
Net weight (kg)
19
Interfaces
RS-232 (optional), USB-Device (optional) via KUP
Underfloor weighing de-
vice
no

TDS-A-BA-e-2311 9
KERN
DS 100K0.5
DS 150K1
Item no./ Type
TDS 100K0.5-A
TDS 150K1-A
Readability (d)
0.5 g
1 g
Weighing range (max)
100 kg
150 kg
Reproducibility
0.5 g
1 g
Linearity
±1.5 g
±3 g
Stabilization time (typical)
3 s
Smallest part weight for
piece counting - under lab
conditions*
500 mg
1 g
Smallest part weight for
piece counting - under
normal conditions**
5 g
10 g
Adjustment points
20 / 50 / 100 kg
50 / 100 / 150 kg
Recommended adjust-
ment weight, not added
(class)
50 kg (F1)
150 kg (F1)
Warm-up time
2 h
Weighing Units
kg, g, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, mo, lb, oz
Humidity of air
max. 80% rel. (non-condensing)
Allowable ambient tempe-
rature
- 10 °C ... + 40 °C
Input voltage Appliance
6 V, 1 A
InputvoltageMainsadapter
100 V - 240 V AC; 50 / 60 Hz
Storage battery operation
(optional)
Operating time 48 hrs (backlight off)
Operating time 24 hrs (backlight on)
Loading time approx. 8 hrs.
Auto-Off (rechargeable
battery)
selectable off, 30s, 1, 2, 5, 30, 60 min
Dimensions housing
225 x 115 x 60 (W x D x H) [mm]
Weighing plate
500 x 400 x 125 (W x D x H) [mm]
Metal, lacquered
Net weight (kg)
19
Interfaces
RS-232 (optional), USB-Device (optional) via KUP
Underfloor weighing de-
vice
no

10 TDS-A-BA-e-2311
* Smallest part weight for piece counting - under lab conditions:
➢There are ideal ambient conditions for high-resolution counting
➢The parts to be counted are not scattered
** Smallest part weight for piece counting - under normal conditions:
➢There are unsteady ambient conditions (draft, vibrations)
➢The parts to be counted are being scattered
2 Declaration of conformity
The current EC/EU Conformity declaration can be found online in:
www.kern-sohn.com/ce

TDS-A-BA-e-2311 11
3 Appliance overview
3.1 Components
Pos.
Designation
Pos.
Designation
1
Weighing plate
5
Keyboard
2
Mains adapter connection
6
Battery case
3
KUP connection (KERN Universal Port)
7
Bubble level (Position depends on model)
4
Display
8
Levelling screw

12 TDS-A-BA-e-2311
3.2 Operating elements
3.2.1 Keyboard overview
Button
Name
Function in Operating
mode
Function in Menu
ON/OFF-but-
ton
➢Switch on/off (press
button long time)
➢Switch on/off the dis-
play background illumi-
nation (press button
short time)
➢Navigation key 
➢Menu level back
➢Exit menu / back to
weighing mode.
-key
➢Change-over button,
see chap. 8.5
➢Navigation key 
➢Select menu item
PRINT button
➢Calculate weighing data
via interface
➢Navigation key ➔
➢Activate menu item
➢Confirm selection
ZERO key
➢Zeroing
(Zeroing range 2% maxi-
mum)
TARE-button
➢Taring
➢Invoke application menu
(press button long time)
➢Navigation key 
➢Select menu item

TDS-A-BA-e-2311 13
3.2.2 Numerical input
Button
Designation
Function
Navigation key ➔
Select cipher
Confirm entry. Press button repeatedly for every
digit. Wait until the numeric input window extin-
guishes.
Navigation key 
Reduce flashing cipher (0 –9)
Navigation key 
Increase flashing cipher (0 –9)
3.2.3 Overview of displays
Position
Display
Description
1
Stability display
2
>0<
Zero display
3
Minus display
4
Tolerance marks for check weighing
5
Rechargeable battery charge indicator
6
Units display
Available weighing units, see chap. 1
or
Application units, see chap. 10.4
7
WIFI-symbol
8
Data transfer running
9
AP
Autoprint enabled
-
G
Display gross weight value
-
NET
Display net weight value
-

Weighing data can be found in the sum
memory
LO
OK
HI

14 TDS-A-BA-e-2311
4 Basic Information (General)
4.1 Proper use
The balance you purchased is intended to determine the weighing value of material to
be weighed. It is intended to be used as a “non-automatic balance”, i.e. the material to
be weighed is manually and carefully placed in the centre of the weighing plate. As
soon as a stable weighing value is reached, the weighing value can be read.
4.2 Improper Use
•Our balances are non-automatic balances and not provided for use in dynamic
weighing processes. However, the balances can also be used for dynamic weighing
processes after verifying their individual operative range, and here especially the
accuracy requirements of the application.
•Do not leave permanent load on the weighing plate. This may damage the measu-
ring system.
•Impacts and overloading exceeding the stated maximum load (max) of the balance,
minus a possibly existing tare load, must be strictly avoided. Balance may be da-
mage by this.
•Never operate the balance in explosive environment. The serial version is not ex-
plosion protected.
•The structure of the balance may not be modified. This may lead to incorrect
weighing results, safety-related faults and destruction of the balance.
•The balance may only be used according to the described conditions. Other areas
of use must be released by KERN in writing.
4.3 Warranty
Warranty claims shall be voided in case:
•Our conditions in the operation manual are ignored
•The appliance is used beyond the described uses
•The appliance is modified or opened
•Mechanical damage or damage by media, liquids, natural wear and tear
•The appliance is improperly set up or incorrectly electrically connected
•The measuring system is overloaded

TDS-A-BA-e-2311 15
4.4 Monitoring of Test Resources
In the framework of quality assurance the measuring-related properties of the balance
and, if applicable, the testing weight, must be checked regularly. The responsible user
must define a suitable interval as well as type and scope of this test. Information is
available on KERN’s home page (www.kern-sohn.com) with regard to the monitoring
of balance test substances and the test weights required for this. In KERN's accredited
calibration laboratory test weights and balances may be calibrated (return to the na-
tional standard) fast and at moderate cost.
5 Basic Safety Precautions
5.1 Pay attention to the instructions in the Operation Manual
Carefully read this operation manual before setup and commission-
ing, even if you are already familiar with KERN balances.
5.1 Personnel training
The appliance may only be operated and maintained by trained staff.
6 Transport and storage
6.1 Testing upon acceptance
When receiving the appliance, please checkpackaging immediately, and the appliance
itself when unpacking for possible visible damage.
6.1 Packaging / return transport
Keep all parts of the original packaging for a possibly required return.
Only use original packaging for returning.
Prior to dispatch disconnect all cables and remove loose/mobile parts.
Reattach possibly supplied transport securing devices.
Secure all parts such as the wind screen, the weighing plate, power
supply unit etc. against shifting and damage.

16 TDS-A-BA-e-2311
7 Unpacking, Installation and Commissioning
7.1 Installation Site, Location of Use
The balances are designed in a way that reliable weighing results are achieved in
common conditions of use.
You will work accurately and fast, if you select the right location for your balance.
On the installation site observe the following:
•Place the balance on a firm, level surface.
•Avoid extreme heat as well as temperature fluctuation caused by installing next
to a radiator or in the direct sunlight.
•Protect the balance against direct draughts due to open windows and doors.
•Avoid jarring during weighing.
•Protect the balance against high humidity, vapours and dust.
•Do not expose the device to extreme dampness for longer periods of time.
Non-permitted condensation (condensation of air humidity on the appliance)
may occur if a cold appliance is taken to a considerably warmer environment.
In this case, acclimatize the disconnected appliance for ca. 2 hours at room
temperature.
•Avoid static charge of goods to be weighed or weighing container.
•Do not operate in areas with hazard of explosive material or in potentially ex-
plosive atmospheres due to materials such as gasses, steams, mists or dusts.
•Keep away chemicals (such as liquids or gasses), which could attack and da-
mage the balance inside or from outside.
•In the event of the occurrence of electromagnetic fields, static charges (e.g.,
when weighing / counting plastic parts) and unstable power supply, large display
deviations (incorrect weighing results, as well as damage to the scale) are pos-
sible. Change location or remove source of interference.

TDS-A-BA-e-2311 17
7.2 Unpacking and checking
Remove device and accessories from packaging, remove packaging material and in-
stall the device at the planned workplace. Check if that there has been no damage and
that all items of delivery scope are present.
Scope of delivery / serial accessories:
•Balance, see chap. 3.1
•Mains adapter
•Operating instructions
•Protective hood
7.3 Assembling, Installation and Levelling
Remove the transportation lock, see chap. 7.3.1.
Install weighing plate and wind shield if necessary.
Ensure that the balance is installed in a level position.
Level balance with foot screws until the air bubble of the water balance is in the
prescribed circle.
Check levelling regularly

18 TDS-A-BA-e-2311
7.3.1 Transportation lock
Models
•DS 3K0.01S
•DS 5K0.05S
•DS 10K0.1S
•DS 30K0.1L
•DS 36K0.2L
•DS 60K0.2
•DS 65K0.5
•DS 100K0.5
•DS 150K1
One screw as transportation lock:
Four screws as transportation lock:
The transportation lock is located on the un-
derside of the platform and is marked with an
arrow:
If four screws are used as transportation locks (1),
they are located under the weighing plate:
Corner load stops (2) must not be removed:
Never remove any screws other than those used for transport protec-
tion, otherwise the scale could be damaged.

TDS-A-BA-e-2311 19
7.4 Mains connection
Select a country-specific power plug and insert it in the mains adapter.
Check, whether the voltage acceptance on the scales is set correctly. Do
not connect the scales to the power mains unless the information on the
scales (sticker) matches the local mains voltage.
Only use KERN original mains adapter. Using other makes requires
consent by KERN.
Important:
➢Before starting your weighing balance, check the mains cable for da-
mage.
➢Ensure that the power unit does not come into contact with liquids.
➢Ensure access to mains plug at all times.

20 TDS-A-BA-e-2311
7.5 Rechargeable battery operation (factory option)
ATTENTION
The rechargeable battery and the battery match with each
other. Only use the delivered mains adapter.
Do not use the balance during the loading process.
The rechargeable battery can only be replaced by the same
or by a type recommended by the manufacturer.
Therechargeablebatteryisnotprotectedagainstallenvironmentalin-
fluences.Iftherechargeablebatteryisexposedtocertainenvironmen-
talinfluences,itmaysetonfireorexplode.Personsmaybeinjuredor
materialdamagemayoccur.
Protect the rechargeable battery against fire and heat.
Do not bring the rechargeable battery in contact with fluids,
chemical substances or salt.
Do not expose the rechargeable battery to high pressure or
microwaves.
Under no circumstances the rechargeable batteries and the
charging unit may be modified or manipulated.
Do not use a defective, damaged or deformed rechargeable
battery.
Do not connect or short-circuit the electrical contacts of the
rechargeable battery with metallic objects.
Liquid may squirt out from a damaged rechargeable battery. If
the liquid gets into contact with the skin or the eyes, the skin
and the eyes may be irritated.
Ensure the correctpolaritywheninsertingorchangingtherecharge-
ablebattery(seeinstructions inthebatterycompartment)
Therechargeablebatteryoperationisoverriddenwhenthemains
adapterisconnected.Forweighinginmainsoperation>48hrs.the
rechargeablebatteriesmustberemoved!(Dangerofoverheating).
If the rechargeable battery starts to smell, being hot, changing
the colour or being deformed, it must be immediately unplug-
ged from mains supply and from the balance if possible.
7.5.1 Load rechargeable battery
The rechargeable battery pack (factory option) is charged using the mains cable sup-
plied
Before the first use, the rechargeable battery package should be charged by con-
necting it to the mains power cable for at least 15 hours.
To save the rechargeable battery, in menu (see chap. 13.3.1) the automatic switch-
off function <Autoff> can be activated.
If the capacity of the rechargeable batteries is exhausted, <Lo Bat> appears in the
display. Connect the power cable as soon as possible to load the rechargeable battery.
Charging time until complete recharging is approx. 8 hrs.