Dräger RAB 7000 Notice D'utilisation page 37

CGU – Configuration of the calibration gas unit
This function can be used to display the calibration
gas unit configured on the gas transmitter and
change it if necessary.
When entering this menu, the "initial display" is
always the calibration gas unit currently configured
on the gas transmitter.
The ▲ or ▼ keys can be used to select the calibration gas unit
(depending on the type of instrument) from the units "LEL" (%LEL),
"ppm" or "VOL" (% vol.).
 Navigate using the ▲ or ▼ keys until the display shows "CGU"
(Calibration Gas Unit) and enter the menu by pressing the keys
(▲+▼).
– The calibration gas unit configured on the gas transmitter will be
shown on the display.
 Select the calibration gas unit using the ▲ or ▼ keys.
 Press the keys (▲+▼) to save the selected calibration gas unit to
the gas transmitter and terminate this function.
– The display shows "CGU" again.
 Select function again and check whether the modified parameter
has been correctly applied.
 Either press the ▼ key to call up the next menu function, or press
the ▲ key three times to switch back to operation for maintenance.
CGC – Configuration of the calibration gas concentration
This function can be used to display the calibration
gas concentration configured on the gas transmitter
and change it if necessary.
When entering this menu, the "initial display" is
always the calibration gas concentration currently
configured on the gas transmitter.
The ▲ or ▼ keys can be used to set the calibration gas concentration.
 Navigate using the ▲ or ▼ keys until the display shows "CGC"
(Calibration Gas Concentration) and enter the menu by pressing
the keys (▲+▼).
– The calibration gas concentration configured on the gas
transmitter will be shown on the display.
 The ▲ or ▼ keys can be used to set the concentration of the
calibration gas currently being used.
 Press the keys (▲+▼) to save the set calibration gas concentration
to the gas transmitter and terminate this function.
– The display shows "CGC" again.
 Select function again and check whether the modified parameter
has been correctly applied.
 Press the ▲ key four times to switch back to operation for
maintenance.
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