GE Hygromaster Instruction Manual page 9

See Table 4 below for Setup Functions.
Button
Enter logging
parameters set
up mode
Enter
&
instrument set
up mode
Short cut to
Surface
Temperature set
&
up modes
GE Protimeter Hygromaster
Table 4: Setup Functions
Function Display Symbols
(RS 232 mode)
Explanation
When the instrument is ON, press
and hold buttons for 2 seconds to
enter data logger mode - see
Logging Set Up (Table 6).
When the instrument is ON, press
and hold buttons for 2 seconds to
enter instrument set up mode - see
Instrument Set Up (Table 7).
Switches surface temperature
socket ON, OFF (RS232 mode) or
Auto mode.
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