INSTRUMENT MANUAL
VACUUM GAUGE MODEL MM200
160Phone:(215) 947-2500 fax:(215) 947-7464 e-mail:sales@televac.com web site:www.televac.com
MM-200_im REV M
Page 145 of 160
CATHODE MODULE - The cold cathode modules are shown in Fig. 9.4a and 9.4b. Station number is assigned by
a jumper in the SIGNAL ID section of the module board (e.g., station #7). A second jumper is placed in the REC
OUT section. This must agree with the SIGNAL ID. A third jumper (in the ION-ON SOURCE section of the
module) selects the station used as a reference to turn on the cold cathode power (for the MM200 select the MP
location). A fourth jumper is placed in the JUMPER 4 ION ON section. Select MPI if only 1 cold cathode is being
used or if all cold cathodes are to be turned on using the same reference. Select MPI#2 if the second cold cathode
is to be turned on from a different reference than that for the first cold cathode.
Fig. 9.4a - 7B Cold Cathode Gauge Modules
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