29
Supervisor menu
(allows system tests to be performed, and configurations to be changed.
A pass word is required to enter this mode, see section 3.7 for details.)
Menu system overview
Menu Item
Values
(as shown on display)
Description
Inhibit
All
Values =
Inhibit off
Inhibit
on
Channels #1, #2, #3, #4
Values =
Inhibit off
Inhibit
on
Inhibits all input channels when selected.
Only whilst in Supervisor mode used for calibration
and test.
Allows individual channels to be inhibited.
NB: Inhibit persists on exit from Supervisor mode
Pellistor Saver
Channels #1, #2, #3, #4
Values = Enabled or Disabled
Protects pellistor-type sensors connected to
mV pellistor input modules from damage when
exposed to high gas concentrations. When enabled,
the system removes power from the sensor for a
minimum 200 seconds if the signal exceeds 95%LEL.
Zero
Zero Wizard
Select channel
Values =
#1=name
#2=name
#3=name
#4=name
Select channel Inhibit
Values =
Inhibit on
Inhibit
off
User confirmation
Only continue if in clean air!
Result
Values =
Pass
Fail
Use Down button to select the required channel to
zero, then follow wizard instructions.
Inhibit option will not be displayed if channels have
already been set to inhibit using the menu shown
above.
Reminds the user to check that the detector has
been zeroed and is currently not seeing gas.
Channel has correctly zeroed Input signal was out
of acceptable range, re-zero the detector and check
that its output current is 4 mA.
Calibrate
Calibration Wizard
Select channel
Values =
#1=name
#2=name
#3=name
#4=name
Cal #1 level
Values =
25% - 100% of range
Select channel Inhibit
Values =
Inhibit on
Inhibit
off
Use Down button to select the required channel to
calibrate, then follow wizard instructions.
Refers to the calibration gas concentration
Calibration is only possible with a gas concentration
that is at least 25% of the full range of the sensor.
Use the UP and Down buttons to enter the
concentration of the calibration gas (e.g. 50% LEL,10
ppm etc.). Gasmaster will store the gas value entered
so that it does not need to be adjusted next time the
sensor is calibrated.
Inhibit option will not be displayed if channels have
already been set to inhibit using the Inhibit menu.
Содержание Gasmaster
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