22
S
ERVICE
D
UE
You can set a timed reminder to remind your patient when to return the device for
service. The patient can press the
Left
(ok) key to remove the message from the LCD.
Table 4 shows the options and default settings for the types of reminders in the
Reminder Menu.
A
LTITUDE
C
OMPENSATION
Changes in altitude will affect the pressure delivered by the
S8 C
OMPACT
. The device
has a feature which compensates for changes in altitude.
The altitude compensation feature can be set to one of four altitude ranges. During
calibration, a change to the pressure gain within an altitude range will provide a more
accurate delivered pressure.
Figure 5 shows the effect of altitude (with compensation) on pressure when set to
10 cm H
2
O, and where the
S8 C
OMPACT
is calibrated at sea level 0 ft (0 m) at an
ambient temperature of 68°F (20°C) and 50% relative humidity.
Figure 5: Effect of altitude on pressure
Table 4: Reminder type options and default settings
Type of reminder
Default setting
Options
Replace mask (MASK)
OFF
*
7-day increments, starting from current date
Call provider (CALL)
OFF
7-day increments, starting from current date
Insert Card (CARD)
†
OFF
7-day increments, starting from current date
Change filter (FILT)
OFF
7-day increments, starting from current date
Service due (SERV)
OFF
7-day increments, starting from current date
*
OFF means that the date set for the reminder is today’s date or earlier.
†
This feature is not available.
Mask Pressure vs Altitude
7
8
9
10
11
12
13
0
2000
4000
6000
8000
10000
Altitude (ft)
Mask P
ressur
e
cm H
2
O
(S8 calibrated for 10 cm H
2
O at 0’)
*
*
*
*
Altitude setting change
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Summary of Contents for S8 Compact System
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