RKI Instruments GX-8000(H4-0050) - Manual (Page 9)

2 Regular Maintenance Mode
- 9 - GX-8000
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The maintenance mode includes setting menus which are usually not used. Be careful not to change these
settings by mistake. It is recommended that setting changes should be recorded in a log.
Keep the S and T switches pressed and
press the POWER switch. When the buzzer
beeps, release the switches.
The input field blinks. Press the S or T switch
to select a number and press ENTER to
confirm it. Enter four digits from the left.
Password: 0008
Regular maintenance mode
DATE
Set the date and time.
Date/time setting
=> P11
AIR CAL
Perform the fresh air adjustment.
Fresh air
adjustment
=> P16
VOL Z.CAL
Perform the zero adjustment for
high-concentration combustible gases.
Zero adjustment
for high-
concentration
combustible
gases
=> P20
AUTO CAL
Perform the span adjustment simultaneously
for all channels.
(Set the span gas concentration in advance
and make adjustment at once.)
Simultaneous
span adjustment
for all channels
=> P18
ONE CAL
Perform the span adjustment for each channel.
(While gas is supplied, perform span
adjustment using UP/DOWN.)
Span adjustment
for each channel
=> P19