42 • Chapter 5: User Mode and Calibration GX-3R Operator’s Manual
Chapter 5: User Mode and Calibration
Overview
This section describes the GX-3R in User Mode. See Table 9 below for a list of the items
found in User Mode, the page that the menu item’s instructions can be found on, and a short
description of the menu item.
Table 9: User Mode Menu Items
User Mode
Menu Item
Description
BUMP (pg.46) Perform a bump test.
BUMP
CYL X
Perform a bump test on the gases selected for Cylinder X
(A-E cylinders available)
START Begin the warmup sequence and enter Measuring Mode.
ESCAPE Return to the BUMP menu item.
GAS CAL (pg.52) Perform a fresh air adjustment, perform a span adjustment, change the calibration gas con-
centration, set the cylinder group.
AIR CAL
(pg.52)
Perform a fresh air adjustment.
AUTO CAL
(pg.53)
AUTO CAL
CYL X
Perform an automatic span adjustment on the gases
selected for Cylinder X (A-E cylinders available).
START Begin the warmup sequence and enter Measuring Mode.
CAL-P Set the calibration gas concentration for each gas.
CYL SEL Assign a cylinder (A-E) to each gas (all 4 gases set to Cyl-
inder A is the default). For single cal operation, you
would assign each gas its own cylinder.
ESCAPE Return to the AUTO CAL menu item.
ESCAPE Return to the GAS CAL menu item.
CAL SET (pg.62) Change calibration parameters.
CAL RMDR
(pg.62)
ON
(factory setting): The instrument notifies the user upon startup when a
calibration is due. Notification type depends on CAL EXPD setting
below.
OFF
: No notification upon startup when a calibration is due.
CAL INT
(pg.63)
How often the instrument needs to be calibrated.
Options: 1 - 1000 days (factory setting is 90 days)
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