DESCRIPTION OF CONTROLS, INDICATORS, ALARMS & CONNECTIONS
3-28 SERHT50NA A0808
Table 3-1: User Set Up Parameters
NOTE: Only the ▲Up/▼Down, Silence/Reset, and Int. Battery
b
uttons are active during User Set Up.
User Set Up Parameter
Power Save
Use the ▲Up/▼Down controls to toggle the Power Save function On
or Off
. To conserve battery power consumption during internal
battery operation, the Power Save function automatically blanks the
HT50’s numeric displays if the ventilator has operated for 2 minutes
with no buttons pressed or alarms violated. MODE, On/Standby, Int.
Battery indicators and message display window remain active at all
times.
If an alarm condition occurs, or any button is pressed, the Power
Save function is suspended for 2 minutes. The Power Save
feature can extend battery operating time by as much as 30%.
Pressure Units
Selects between cmH
2
O and mbar as the unit used on the
pressure meter and the various front panel controls. The HT50 is
factory set to cmH
2
O. Use the ▲Up/▼Down controls to toggle
to the mbar setting.
NOTE: For consistency, particularly in medical record keeping, it
is recommended that each institution standardiz
e to either
“cmH
2
O” or “mbar” operation.
NOTE: HOME CAREGIVERS: The unit of measure, along with
other par
ameter settings, should be established by the patient’s
physician or Homecare Dealer.
Parameter Display ▲ Up/ ▼ Down
(allows selection)
Headline USER SETUP None
Power Save Power Save ON* Toggles On/Off
Pressure Units Pressure cmH
2
O* Toggles cmH
2
O/mbar
Set up Set up USER* Toggles User/Default
Auto Panel Lock Lock DISABLED* Toggles
Enabled/Disabled
Technical Set Up Tech. Setup Refer to Service
Manual Section 5
* Factory default setting. May be
different if another setting was
selected during the previous
User Set Up.
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