174 Operation Manual
10 Configuration
Pressure aux 1,2,3/Pressure aux 4,5,6/Pressure aux 7,8,9
See Ignore Ready = and “Unconfigured:” on page 143.
An auxiliary pressure controller provides three channels of
forward- pressure regulation. Three modules can be installed
for a total of nine channels.
The numbering of the channels depends on where the
controller is installed. See the Advanced Operation manual
for details. Within a single module, channels are numbered
from left to right (as seen from the back of the GC) and are
labeled on the AUX EPC module.
To assign a GC communication source to an Aux EPC
1 Unlock the GC configuration, press [Options], select
Keyboard & Display and press [Enter]. Scroll down to Hard
Configuration Lock and press [Off/No].
2 Press [Config][Aux EPC #], select Aux EPC 1,2,3 or Aux EPC 4,5,6
or Aux EPC 7,8,9 and press [Enter].
3 With Unconfigured selected, press [Mode/Type], select Install
EPCx and press [Enter].
4 When prompted by the GC, turn the power off then on
again.
To configure the other parameters on this EPC, see To
configure an auxiliary pressure channel.
To configure an auxiliary pressure channel
1 Press [Config][Aux EPC #], select Aux EPC 1,2,3 or Aux EPC 4,5,6
or Aux EPC 7,8,9 and press [Enter].
2 Select Chan x Gas type, press [Mode/Type], select the gas that
is plumbed to the channel and press [Enter].
3 If necessary, repeat the above step for the other two
channels on this EPC module.
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