GE Bently Nevada 1900/27 Operation And Maintenance Manual page 33

Use a small screwdriver to adjust the setpoints. Figure 3-3 shows the location of
the switches and adjustment screws used in this prodedure.
Adjust the setpoints according to the following steps:
1. Place the monitor into Bypass by sliding the Relay Mode switch to the Bypass
position with the small screwdriver. The Bypass LED will come on.
2. Slide the Display Mode switch to either the Alert or Danger position,
depending on which setpoint you wish to adjust.
Figure 3-3: Location of setpoint adjust screws, Display Mode switch and Relay Mode
3. Use the small screwdriver to turn the setpoint adjust screw corresponding
to the setpoint that you wish to adjust. Turning the screwdriver clockwise
increases the setpoint. The value on the LCD changes as the screw is
turned. If you adjust the setpoint below the vibration level the LED for the
setpoint will come on.
4. When the desired setpoint level is showing on the LCD, verify that the LED
for that setpoint is off. If the LED is on when the monitor is taken out of
bypass, the relay corresponding to the LED will go into its alarm state.
5. Place the Display Mode switch into the Normal position.
6. Slide the Relay Mode switch into the Normal position by using the small
screwdriver.
Section 3 - Monitor Operation
Switch.
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