HS-04 Operator’s Manual Appendix A: Maintenance Mode • 83
4. The screen that appears depends on the setting of Maintenance Mode’s PASS-W item.
If PASS-W is set to OFF, continue with Step 8.
If PASS-W is set to ON (factory setting), continue with Step 5.
5. If PASS-W is set to ON in Maintenance Mode, a password screen appears and the first digit is
flashing. The factory-set password is 0400 but it can be changed.
6. Use AIR to select each password number then press POWER MODE to save it and move on
to the next number. To go back a number, press and hold AIR and POWER MODE for a few
seconds. To reverse the direction of change (ie. from increasing to decreasing or vice versa):
a. Press and hold AIR.
b. Immediately press POWER MODE and then release both buttons.
7. Continue to Step 6.
8. The GAS CAL item displays.
9. Use AIR to move through the Maintenance Mode items.
Tips for Using Maintenance Mode
• To scroll from one item to the next, press and release AIR. To reverse the scrolling direction:
a. Press and hold AIR.
b. Immediately press POWER MODE and then release both buttons.
c. The scrolling direction returns to the original direction when you exit and reenter a menu.
• To skip an item when a question is asked, press and release AIR.
• To enter an item and to save any changes, press and release POWER MODE.
• To change a flashing parameter, press and release AIR. To reverse the direction of change (i.e.
from increasing to decreasing or vice versa):
a. Press and hold AIR.
b. Immediately press POWER MODE and then release both buttons.
PASS-W set to OFF PASS-W set to ON
0000
PASS-W
BUMP
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