RKI Instruments GX-94 - Manual (Page 40)

Page 39 GX-94 Operator’s Manual
reads “OXYGEN ZERO”. Verify the concentration of oxy-
gen listed on the cylinder’s label and set the zero reading
to the same concentration. A 100% nitrogen source (0%
oxygen) is recommended when using single calibration.
7. After the last channel is calibrated, press the (SHIFT)/ ▼ button
until the number 7 in front of RETURN, the last menu item,
flashes.
8. Press the ON/OFF/INPUT button to return to normal operation.
Setting the Date and Time
The number 6 option in the calibration menu is SET DATE/TIME. Use
this item to set the current date and time for the GX-94.
From the normal operation screen, press and hold the (SHIFT)/ ▼ but-
ton, then press the DISPLAY/(ADJ.) button to enter Calibration Mode.
The calibration menu will show the following screen with a flashing
number indicating the cursor position:
1. Use the (SHIFT)/ ▼ button to place the cursor in from of menu item
6. SET DATE/TIME. The number 6 will flash.
2. Press the ON/OFF/INPUT button. The display will show the cur-
rent settings, with the month flashing.
2. Press AIR/ ▲ or (SHIFT)/ ▼ to scroll to the desired month.
3. Press ON/OFF/INPUT to enter the selection and go to the next
setting (day).
4. Repeat steps 2 and 3 for each value: day, year, hours, minutes.
You may skip past a correct setting by pressing ON/OFF/INPUT.
1.AUTO CAL
2.SET SPAN
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