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3. OPERATING INSTRUCTIONS
Keypad Functions
The instrument keypad is an eight (8) key, sealed membrane keypad. Each key provides
audible and tactile user feedback when pressed. Key functions are described in Figure 2
below.
The , , , and keys have multiple functions which can be accessed by
momentarily pressing the key, or alternatively, by pressing and holding the key for
approximately 1.5 seconds. Throughout this Operation Manual, the press and hold sequence
is indicated by the key designator followed by the subscript (1.5s). For instance,
(1.5s)
indicates that the key should be pressed and held for 1.5 seconds, then released to
access the desired function.
Power instrument ON or OFF
(1.5s)
Disable auto-power OFF while instrument
is on
(1.5s)
Enter instrument Setup Menu
While in Setup Menu, save current value
and step to next parameter
Toggle display backlight
(1.5s)
Disable backlight 30-second timeout
Hold currently displayed measurement
(1.5s)
Reset all statistics currently stored in
memory
While in Setup Menu, discard all unsaved changes and exit menu
Cycle through view modes and statistics
While in Setup Menu, save changes and exit menu
While in Setup Menu, advance or reverse selected setting
While viewing saved data, advance or reverse displayed measurement
While in Calibration mode and when pressed simultaneously for 1.5
seconds, resets active calibration factor to default.
Figure 2: Keypad Button Functional Description
LCD Display
The display is a large, easy to read, dual LCD display, with an LED backlight for clear
viewing in low-light conditions. It simultaneously displays temperature measurements for
Channel 1 and Channel 2, current thermocouple type and temperature unit, trend indicators
for both Channel 1 and Channel 2, and a battery voltage indicator.
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