GE PT878GC 用户手册

April 2004

2. The next prompt asks for the base pressure.

a. Press 

[ENTER]

 to enter the text box.

b. Use the numeric keys to enter the known pressure.

c. Press 

[ENTER]

 to confirm the entry.

3. The next prompt asks for the atmospheric pressure. 

a. Press 

[ENTER]

 to enter the text box.

b. Use the numeric keys to enter the local atmospheric 

pressure.

c. Press 

[ENTER]

 to confirm the entry.

4. The final prompt in this window asks for the base temperature 

(in degrees F or C).

a. Press 

[ENTER]

 to enter the text box.

b. Use the numeric keys to enter the known temperature.

c. Press 

[ENTER]

 to confirm the entry.

Pressing the [

S

] key returns the meter to the Standard Volume  

prompt, and then to the Settings tab.  

To confirm the entries and return to Operate mode, press 

[F3]

 

(OK). 

To leave the window without confirming the entries and return 
to Operate mode, press 

[F2]

 (Cancel) or the 

[ESC]

 key.