DeLonghi La Specialista ARTE Manual página 23

ment" setting. Next, turn the ground coffee quantity dial (B4) to
the Min position and set the quantity as for first-time use (see
"The "perfect dose"").
11. WATER HARDNESS
The descale indicator
mined period of operation that depends on the hardness of the
water. The machine can also be programmed according to the
actual hardness of the local water supply, in which case des-
caling may be required less frequently (see section "8. Settings
menu").
1. Remove the "TOTAL HARDNESS TEST" indicator strip (C5)
from its pack.
2. Immerse the strip completely in a glass of water for about
one second (fig. 31).
3. Remove the strip from the water and shake lightly (fig. 32).
Water Hardness Test Result
4. Set the machine accordingly, as indicated in the section "8.
Settings menu".
12. HOW TO USE SOFTBALLS (CERTAIN MODELS
ONLY)
Softballs (C7) are an innovative treatment system able to pro-
long the life of the machine, without altering the properties
of the water, while ensuring consistently creamy and aromatic
coffee. To optimize the effectiveness of the treatment, leave
Softballs in water overnight before use.
1. Take the sachet of Softballs from the wrapper (fig. 33).
(B3) lights up following a predeter-
(B7) Level
button
soft water
medium
hard or
very hard
2. Rinse the sachet of Softballs under running water (fig. 34).
3. Immerse the sachet in the water tank (A7) (fig. 35).
4. Change the sachet of Softballs every 3 months (fig. 36).
1
2
water
3
water
13. DESCALING
Important!
• Before using the descaler, (C6) read the instructions and the
labelling on the pack.
• Use De'Longhi descaler only. Using unsuitable descaler
and/or performing descaling incorrectly may result in
faults not covered by the manufacturer's guarantee.
• Descaler can cause damage to delicate surfaces. If the prod-
uct is accidentally spilt, dry immediately.
To descale
Descaler
Container
Time
1. When the indicator light
descale the appliance. You can start descaling at any time.
2. Remove and empty the drip tray (A19), then reposition it in
the machine.
23
33
35
De'Longhi descaler
Capacity 2 litres
~20min
(B3) comes on, you need to
34
36