RH520 V2.9 3/07
6
PUSH-BUTTON DESCRIPTION
VIEW
Return the LCD to the Standard View
Escape from any setting function without storing value changes
Scrolls highest and lowest (MAX/MIN) readings when in Standard View
ALARM
Display or Set alarm values
TIME
Display a reading stored at specific Time and Date
Set and Display the recording Sampling Rate
Set the Time and Date
SET
Used in combination with other buttons to set new parameter values
Stores new parameter values and returns to the Standard View
TEMP
Used in combination with other buttons to set the vertical graph range
Used in combination with other buttons to set temperature alarm values
Used in combination with the RH button to display Dew Point
RH
Used in combination with other buttons to set the vertical graph range
Used in combination with other buttons to set RH alarm values
Used in combination with the TEMP button to display Dew Point
Right, left, down, and up arrow buttons
for scrolling data and navigating
the display
KEYPAD QUICK REFERENCE
(ALSO SHOWN ON REAR OF THE RH520 HOUSING)
Key-press
Function
Second / Alternate Keystrokes
VIEW
Selects view mode
VIEW modes: Normal, TEMPmax,
RHmax, TEMPmin, RHmin
SET
Saves new settings
VIEW to cancel, exit mode
ARROW KEYS
Scroll through selections
Movers cursor through stored points
TIME
View reading at specific time/date
Arrow keys to select, VIEW to exit
TEMP + RH
View Dew Point temp.
VIEW to exit
ALARM
Step back through ALARM points
ALARM selects next Alarm, VIEW to exit
SET + TEMP + ALARM
Enters Set TEMP Alarm mode
ALARM selects HIGH/LOW, SET to save
SET + RH + ALARM
Enters Set RH Alarm mode
ALARM selects HIGH/LOW, SET to save
TIME + VIEW
View Sample Rate
VIEW to exit
SET + TIME + VIEW
Enter Set Sample Rate mode
SET to save, VIEW to exit
SET + TIME
Enter Set Time/Date mode
SET to save, VIEW to exit
SET + TEMP + UP
Enter Set TEMP Vertical Scale mode
TEMP selects upper/lower, SET to save
SET + RH + UP
Enter Set RH Vertical Scale mode
RH selects upper/lower, SET to save
