Myron L 729II - Manual (Page 48)

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3RO Module as an accessory you may need to reconfigure
the select switch for it to Range properly.
1. Locate the 8 position select switch on the 3R Module.
2. Set the COND select switch in the DOWN or OFF
position, see figure III.G.6.
3. Set the RES select switch in the UP or ON position,
see figure III.G.6.
Naturally, if you have a 3R Module configured for a Resistivity
Monitor/controller and desire it to be for a Conductivity Monitor/
controller reverse #2 & 3 above.
REASSEMBLY
1. Carefully reinstall the front panel, bottom first. Ensure
no wires have been pinched between enclosure and
front panel.
2. Reinstall the four (4) screws and tighten.
3. To operate, turn power ON.
BACK/CONNECTOR SIDE
RANGE
SWITCH
-121
2000µS
UP
}
3SR MODULE
3S
ON
SELECT SWITCH
NOT INSTALLED ON
MONITOR ONLY MODELS.
COND RES X1 X10 X100 S1 S2 S3
MAIN CIRCUIT BOARD
3S
BK WT RD GN NU R- R+
Figure III.G.1
Figure III.G.2
Factory Default
Figure III.G.4 Figure III.G.5 Figure III.G.3
COND RES X1 X10 X100 S1 S2 S3 COND RES X1 X10 X100 S1 S2 S3 COND RES X1 X10 X100 S1 S2 S3 COND RES X1 X10 X100 S1 S2 S3
COND RES X1 X10 X100 S1 S2 S3
ON ON ON ON
ON
Figure III.G.6