Seca 780, 781, 782, 783 User Manual

Congratulations

Visit www.balances.com Your Authorized Seca Dealer

In the seca 780/1/2/3 electronic personal
scale you have acquired a highly accurate
and at the same time sturdy piece of
equipment.
seca has been putting its experience at the
service of health for over 150 years, and as
market leader in many countries of the
world, is always setting new standards with
its innovative weighing and measuring
developments.
The seca 780/1/2/3 electronic personal
scale is designed for private use and also
for use in public institutions.
Weight display can be switched between
kilogrammes (kg), pounds (Ibs) and stones
(sts).
The seca 781 are digital-display scales
with an LCD display. They have the new
“mother-and-baby” function with Auto­Hold display and display your weight up to
150 kg, 330 lbs or 23 st in 50 g, 2 oz or 0.1
lb graduations.
The seca 782 differ from the seca 780 in
that they have a permanent display and an
external power supply.

Safety

Before using the new scale, please take a
little time to read the following safety
instructions.

• Follow the instructions in the instructions
for use.

• Use only the type of battery stated (see
,,Changing the batteries“ 780/781/783).

• Use only the mains unit supplied
(782/783).

• Do not drop the scale or subject it to
violent shocks.

• Have repairs carried out only by
authorised persons.

Cable duct

Before you start …

Setting up the scales

Remove all packaging.The scales are
easiest and safest to put together if you
place the weighing platform face-down on
a table (ideally over 77 cm high).

Position of
connecting bolts

Fitting the column

The column with the LCD display is fitted to
the weighing platform.
– Guide the connecting cable through the

opening.

– Place the column in the opening.
– Screw the column to the weighing

platform from underneath. If necessary,
lay the scale carefully on its side in order
to tighten up the screws.

– Connect the plug of the connecting

cable to the rear of the scale.

– Then stand the scale upright again.

Installing and changing batteries
(seca 780 / 781 / 783)

Insert batteries in the battery bracket.
Press the lock in the lid of
the battery
compartment
in the
direction of
the word
“BATTERY”
and flip open
the lid. Press

9

the clip of the battery cable onto the

Visit www.balances.com Your Authorized Seca Dealer

buttons of the battery bracket and insert
this in the battery compartment. Close the
lid again and engage the lock – that’s it.

How to weigh properly ...

Start scales and set to zero

Press the green Start button: the display
first shows

Mains operation (seca 782 / 783 )

The scale is powered by a mains unit. The
connection socket for the mains unit is in
the base of the scale.

display for 1 sec., then automatically
The scales are now ready to use. If when
unladen the scales should not show
exactly

, but for example or

, they can be re-set to

switching off and back on again using the
green Start key.
To switch off the scales, simply press the
Start key.

Weighing

Is the display on zero? Then you can start!
Simply stand on the scales and keep still.
The display now shows your weight.

You must check before connecting the
equipment whether the AC voltage
given on the mains unit matches the
local mains voltage given on your
electricity meter.

• Carefully tilt the scale to one side so that
the base of the scale is accessible.

• Plug the latching plug of the mains unit
into the connection socket in the base of
the scale.

• Stand the scale back up again.

• Connect the mains unit to a power

socket.

• If the digital display now comes on,
switch off the scale using the START
key.

Switching between kg/lbs/sts

If you want weight displayed in a unit other
than the one displayed, then press the kg/
lbs switch on the display surface after
switching the scales on or during
weighing. The unit selected is shown by
the indicator “kg”, “lbs” or "sts" on the right­hand side of the display.
In order to display stones, you must keep
the key for switching between kg/lbs/sts
depressed for at least 2 seconds.
Pressing the key briefly takes you back to a
kg display. Holding it down for a long time
(at least 2 seconds) switches you between
lbs and sts.
The scales always start with the unit they
were displaying when switched off.

10

for 1 sec., then the full

.

kg/lbs/sts

by

Automatic
switch-off/economy mode

The scale automatically detects whether it
is being operated on rechargeable
batteries alone or whether it is connected
to the mains.

● With rechargeable battery operation:

automatic shut-down after 30 seconds.

● With mains operation: shut-down only

via keypad.

Temperature changes

If the scales are exposed to a severe
change in temperature either before or
during use, then to avoid small
measurement errors, you should wait 15
minutes for the scales to adapt to the new
temperature. A flashing display indicates
that the scales are being operated during
temperature changes which are too
severe.