JJ-CCR ApS 2017
www.JJ-CCR.com
2017 JJ-CCR ApS – 2.00 / Revision 06
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5.3.1 Overview
The default blink pattern is a modified Smither’s code. As alternative a mode color-blind people can be
choosen. PPO2 is displayed in absolute atmospheres (ata) with a resolution of 0.1ata. For the purposes of
this HUD, this can be considered the same as Bar. i.e. 1 ata
≈
1 Bar.
There are four rows of LEDs. Top is red. Next is
green, then yellow. Bottom row is red.
Each column displays PPO2 from one O2 Sensor
Wet contacts (rear contact is also a mechanical button).
Buddy warning
light
LED array
DiveCAN® cable
Column 1
Sensor 1
Column 2
Sensor 2
Column 3
Sensor 3
Red LED is blinking
Green LED is on solid
All other LEDs are off
A blinking LED is drawn with lines emanating from it. An LED that is on-steady is drawn solid.
An off LED is not drawn.
LED array:
An array of colored light emitting diodes (LEDs) blink to display PPO2.
For color-blind users, there is an optional blink pattern that uses position only to display PPO2
Buddy warning light:
The buddy warning light pulses when PPO2 is outside a safe range.
Wet contacts:
Wet contacts turn the HUD on automatically when wet. The rear contact is also
a mechanical push button for entering commands.
Cable:
The DiveCAN® cable provides a robust, disconnectable connection to the rebreather.
