Setting Impedance Alarm Levels - 3M Wrist Strap and Ground Monitor 773 User Manual

Section 5.0 Setting Impedance
Alarm Levels
By default, the 3M Wrist Strap and Ground Monitor 773 is set at the factory to
™
10 Ohms alarm level.
If you wish to change this alarm level to your specifi cation, follow this procedure to
set the impedance alarm level for all channels (G1, G2).
Repeat the steps above in Section 4.0.
Right after the beeping stops, continue pressing the "Set" button until the impedance
level is matched as shown in the table on page 13.
When the beeping stops, the left most four LED allow for setting of resistance value.
G1 & G2 red LEDs are upper location and G1 & G2 green LEDs are lower. Select
the ground resistance value by repeatedly pressing the "Set" button to advance the
resistance limit. This will turn the LEDs on or off as indicated in the table on the
following page.
Not pressing the "Set" switch for about seven seconds after selecting causes the limit
value to be saved and normal operation started.
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