Land 4500 MKII Premier, Operation And Maintenance Manual

Page: 107 / 139

Model 4500 Premier Dust and Opacity Monitor
107
Dust.
On selecting ‘Dust’ press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key (notice no underlining).
Two options are available, ‘Range’ (Dust range is in mg/m 3 ) and ‘During
Cal’. These two options are scrolled by pressing the
↑
and
↓
keys and
can be selected by pressing the
‘
ENTER' (
↵ ↵↵ ↵↵
) key to reveal an underlined
character.
Range of Output 1 (Range)
On selecting ‘Range x.x’ press the
‘
ENTER' (
↵ ↵↵
↵↵
) key as described in
‘Dust’ above, until an underlined character appears. Select the required
value by pressing the
↑
and
↓
keys. Press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key again to
return the display to ‘Range x.x’ (no underlined characters) as illustrated.
Track or Hold output during calibration (During Cal)
On selecting ‘During Cal: Track’ press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key as described
in ‘Opacity’ above, until an underlined character appears. Select the
required value by pressing the
←
and
→
keys. Press the
‘
ENTER' (
↵ ↵↵
↵↵
)
key again to return the display to ‘During Cal: Track’ or ‘During Cal:
Hold’ (no underlined characters) as illustrated.
Press the EXIT key to return the display to ‘Output 1’
↵ ↵↵
↵↵
↵ ↵↵
↵↵
↑↓
↵ ↵↵
↵↵
→
←
↵ ↵↵ ↵↵
↑↓
↑↓
Output 1
Dust
Output 1
Range:
x.x
Output 1
Range:
x.x
Output 1
During Cal.:
Track
Output 1
During Cal.:
Track
Output 1
Range:
x.x
Output 1
During Cal.:
Hold