LockMaster LM901 User Manual page 20

6-a Adjust Stall Force of Gate Opener 1
Now we adjust the stall force of gate 1
The stall force of gate opener1 is adjusted by pressing "INC" and "DEC" Buttons respectively. The Digital
Display will show "1" –"9" which indicates the stall force level."1" is the minimum force, and "9" is the
maximum force. Each time you press and release the "INC" button, the figure increase by 1, and the
force increases to a higher level. Each time you press and release the "DEC" button, the figure
decreases by 1, and the force decreases to a lower level. Press "FUNC" to store the data. The Digital
Display will indicate "P6". Now stall force of gate opener 1 is finished.
(Factory set is Level 3)
6-b Adjust Stall Force of Gate Opener 2
When the Digital Display indicates "P6".you can adjust force of gate opener 2.
Please perform the same procedure same as gate opener 1. (5-b)
Press the "FUNC" button to store the data when stall force of gate opener2 is set. Then "P7" will be
shown on the Digital Display.
NOTE:
You may need to increase the stall force in cold weather due to increased resistance from
gate hinges. The gate opener's open/close force is adjusted automatically according to stall force
adjustment.
7. Adjust the TIMER-TO-CLOSE (TTC) for gate opener
The TIMER TO CLOSE feature can be set to automatically close the gate after a specified time period.
The gate opener will be stop to move during open if the running time exceeds the specified time.
7-a Adjust the TTC of gate opener 1
When the Digital Display indicates "P7", the gate opener enter Timer –to –Close adjusting mode
The TTC of gate opener 1 is adjusted by pressing "INC" and "DEC" Buttons respectively. The Digital
Display will show "1" –"60" which indicates the TTC time from 1 to 60 seconds.
You can press hold the INC or DEC button exceeds 1 second to speed up your set until the design time
is set .Press the "FUNC" button to store the data when the TTC of gate opener 1 is adjusted. The Digital
Display will indicate "P8".
(Factory set is 30 seconds)
7-b Adjust the TTC of gate opener 2
When the Digital Display indicates "P8", you can adjust TTC of gate opener 2.
Please perform the same procedure same as gate opener 1 (7-a)
Press the "FUNC" Button to store the data when TTC of gate opener2 is adjusted. The
Digital Display will indicate "P9". Now Gate Opener 2 adjustment is finished.
8. Set the safety Photocell Beam System (PBS) (Optional)
When the Digital Display indicates "P9", the gate opener enters PBS set mode.
You can press and release the "INC" or "DEC" Buttons to set or close the PBS function. The Digital
Display indicates "11", the PBS is available. The Digital Display indicates "00", the PBS is null.
If the "11" is be set, the gate opener won't work until the PBS system is equipped. The PBS
Note:
system works only when gate opener is closing. The gate opener will return to its open position when
the obstruction blocks the beam from photo eye.
Press the "FUNC" button to store the data when the SPB is set. The Digital Display will indicate "PA".
(Factory set is "00")
REV 09a
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