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1.2 Component Identification
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18% Alarm Indicator - The <18% alarm indicator is located above the Low Alarm
Indicator digits. When the low alarm setting is set below <18%, the indicator will flash
each second to alert the operator of this special condition. See section 3.1.1 for setting
this low alarm condition.
Low Alarm LED - In a low alarm condition, the yellow "LOW ALARM" LED will flash once
every two seconds, accompanied by the audio buzzer. If the Oxygen level is below 18%, the
red “LOW ALARM” LED will flash twice per second accompanied by the audio buzzer.
High Alarm LED - In a high alarm condition, the yellow "HIGH ALARM" LED will flash
once every two seconds accompanied by the audio buzzer.
3 1/2-Digit Display - The 3 1/2 digit liquid crystal display (LCD) provides direct
readout of oxygen concentrations. The digits also display error codes, alarm set
modes and calibration codes as necessary.
% Symbol - The "%" sign is located to the right of the concentration number and is
present during normal operation.
Alarm Silence/Smart Alarm Indicator - When the silent key is pressed the indicator
will display with cross bars to alert condition. When Smart Alarm Mode Button is
pressed the indicator will display with T-bars to alert condition.
Low Battery Indicator -
BAT
The low battery indicator is located at the middle of
the display and is only activated when the voltage on the batteries is below a normal
operating level.
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1
10
22
5
6
7
9
8
11
15
13
16
18
23
17
21
19
14
12
20
1
2
3
4
5
6
7
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