Instruction Manual

12 • Control Panel, Status LEDs & USB Port
Control Buttons & LEDs
Four control buttons are located to the right of the MODE switch. From
left to right they are BUMP, CAL., VOL., and COPY. Above each button is
a control button LED that indicates the status of the function controlled by
the button.
.
Table 2: Control Button Functions
Control
Button
Control Button Function(s)
Control Button LED
Function(s)
BUMP • Initiates a bump test
• Cancels a bump test
• Turns instrument off (when
used with VOL. button
Indicates status of a
bump test in progress
CAL. • Initiates a calibration
• Cancels a calibration
• Clears data from station
memory (when used with
COPY button)
Indicates status of a
calibration in progress
VOL. • Functional only in the SM-
2003U
• Toggles bump test and
calibration functions between
%volume methane only and
all other active channels
• Turns off instrument (when
used with BUMP button)
Indicates whether %volume
only operation is activated
COPY • Copies data to USB flash
drive.
• Clears data from station
memory (when used with CAL
button)
• Indicates amount of
calibration station memory
used
• Indicates status of copying
function
• Indicates the result of a
copy operation