Sentry Sample II Low Pressure Installation, Operation & Maintenance Manual page 16

3. Remove and clean debris from VREL valve.
4. Verify VREL valve shaft opens and closes freely with little resistance.
5. Replace VREL valve (replacing VREL valve near the fully open position reduces startup
time).
6. Apply power to the Sample Sentry II.
7. Wait for Sample Sentry II unit to finish its startup routine (date screen will no longer be
shown).
Main Menu
Figure 7. Main Menu
Figure 7 shows the main menu screen. The main menu is reached by pressing the MENU
key from the operation screen with the system in Manual. The cursor indicates the option
you wish to choose. Move the cursor by using the ▲ and ▼ keys. Select the option by
using the ENTER key. To exit this screen and return to the operation screen, press the ESC
key. The Main Menu password is 101.
Display Intensity
Figure 8. Display Intensity
Figure 8 shows the Display Intensity screen. This screen allows the intensity of the
graphical display to be adjusted. To increase the intensity, use the ▲ key. To decrease the
intensity, use the ▼ key. The display setting is represented by a number between 1 and 8,
with 8 representing the brightest setting. Press the ESC key to save changes and return to
the main menu.
Setup
Figure 9. Setup Screen
Figure 9 shows the setup screen. The cursor indicates the option you wish to choose. Move
the cursor using the ▲ and ▼ keys. Select the option using the ENTER key. To exit this
screen and return to the main menu, press the ESC key.
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M a i n
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T i m e
Sentry Equipment Corp