Extech Instruments 96VFL

26 VFL Series User Manual v2.3 12/20
11. Programming Menu 4 (Option level)
• From any display, long press the SET and SHIFT (<) keys for five (5) seconds to enter the
Menu 2-3-4 ‘Level’ selection screen. Use the up/down arrows to select Menu 4 (or Menu
2 or 3).
• Use the SET key to scroll through the menu.
• Use the SHIFT (<) key to select a digit for editing and then use the up/down arrows to
change the setting. Press SET when done to continue scrolling.
• To change between menu levels, scroll to the ‘Level’ screen and use the up/down arrows
to select a menu.
• Press the SET key and the up-arrow key together to exit the Menu 2-3-4 menu loop.
Display
Definition
Description
Range
Default
Options menu
Customize the controller options.
Input type
Select thermocouple, RTD, or Line input (analog). See Input Type
settings section below this table.
Unit of
measure
Set the temperature or
engineering units (analog
inputs).
o
C,
o
F, or EnG
o
C
Decimal setup
0000, 000.0
00.00 (linear inputs only)
0.000 (linear inputs only)
See description
0000
Control action
Output 1 control action. Set to
‘0’ for cooling (direct) action or
‘1’ for heating (reverse) action.
Secondary output is
automatically configured for
cooling.
REV: Reverse
(heat)
DIR: Direct
(cool)
REV
Low limit
Low limit of the input range.
See the Specifications for input
ranges. Also, see dedicated
paragraph on Low/High Limits
below.
Full range
0
High limit
High limit of the input range.
Full range
1000
Filter
Software filter. Used to control
the display update rate.
Increase the setting to slow the
display rate.
00 ~ 99.9
10.0
Alarm Timer
Set the Alarm ON/OFF Timer
format.
MM:SS/HH:MM
MM:SS
Alarm 1
function
Alarm and Timer Functions.
Select a function from the
Alarm/Timer function list
(Section 11.3).
See Alarm
function section
Differential
high alarm