Keypad
The large membrane keypad makes the instrument easy to use. Each button,
when pressed, has a corresponding graphic indicator on the LCD.
ON
• Switches the meter on
• Use with other function keys to access advanced options
OFF
• Switches the meter off
C/F
• Toggles display between °F and °C
Mn/Mx
• Displays the minimum and maximum measured values
• Increases/decreases the temperature offset value
• Increases/decreases the alarm setting values
• Changes default display to °C or °F
• Switches between automatic shutoff and non-sleep modes
RST
• Resets the minimum and maximum memory values
• Erases alarm settings
• Discontinues the calibration mode
• Switches from alarm check or alarm set to measuring mode
HOLD
• Freezes the measured reading. To activate, press HOLD while in
measurement mode. To release, press HOLD again.
NEXT
• Selects the next digit for alarm setting
• Displays the next alarm setting value
• Selects the next digit for calibration
PRG
• Switches from measuring
(program)
to alarm check mode
• Switches from alarm
check to alarm set mode
• Saves settings and
calibration data
• Switches to calibration
mode when pressed
with “ON”
5
4
2. Display and Keypad Functions
Display
The LCD has a primary and secondary display.
• The primary display shows the measured humidity (or dewpoint) reading.
• The secondary display shows the temperature of the reading in °C.
The display also shows error messages, keypad functions and program functions.
F
C
LOTEMP
HITEMP
LO%RH
HI%RH
MIN
MAX
HOLD
td
%RH
2.1
2.2
Primary
display
Secondary display
Relative
Humidity
indicator
Low
Temperature
alarm indicator
High
Temperature
alarm indicator
Low
Humidity
alarm
indicator
High
Humidity
alarm
indicator
MINimum
indicator
HOLD
indicator
MAXimum
indicator
Dewpoint
indicator
(WD-35612-10 only)
Degrees
Fahrenheit
indicator
Degrees
Celsius
indicator
Mn/Mx
ON
RST
OFF
HOLD
C / F
NEXT
PRG
