It is simple with the help of a Seco pole peg adjusting jig.
Step 1. Mount your SECO Pole Peg Adjusting Jig (#5195) to a wall in your office.
Step 2. Place prism pole tip in bottom shoe. Lean pole against C screw assembly. Now turn C screws in direction needed to center bubble in bulls eye.
Step 3. Now rotate or spin prism pole 180 degrees. Bubble will show amount of error.
Step 4. Adjust C screws until bubble moves half way back towards center.
Step 5. Adjust vial adjustment screws until bubble is centered.
Repeat Steps 2 thru 5 at least twice, or until bubble remains centered in a full 360 degree rotation.
Tolerance: When bubble is centered then rotated 180 degrees, the bubble edge should not go outside the black ring.
1) Set the level on a tripod half way between two points. Points A&B need to be at least 30m apart. Take and record readings a1 and b1. See Fig. 7.5.
Turning Point Hint: Make sure the tripod screws and bolts are not loose.
2) Now move the instrument 2m away from point “A” and take readings a2 and b2 and record. Keep level sighted on point “B”. See Fig 7.6.
3) Calculate error with this formula: b2’=a2-(a1-b1)
If b2’=b2, the horizontal cross-line is normal and no adjustment is necessary. Your done! But when b2’ and b2 are different, adjust the cross-line as follows:
4) Unscrew the cover located around the eyepiece. You will see an adjusting screw at the 12 o’clock position. Use this screw to make your adjustments.
5) Use the adjusting pin to eliminate the difference between b2’ and b2. In the example shown in Fig. 7.6, b2 is larger than b2’. The horizontal line needs to be lowered. To lower the line, carefully loosen the adjusting screw by a small amount with the adjusting pin. To raise the line, tighten the screw.
6) Repeat steps 1 and 2 until the difference between b2’ and b2 is small.
If you are unable to get the level adjusted, Turning Point is happy to assist you with service and/or repair as needed.
How to Identify a Sticky or Damaged Compensator on a Auto Level
Sticky Compensator
Level up your instrument on a tripod and place the eyepiece over one the leveling screws. See Fig 1. While sighting a point in the distance, slowly turn that leveling screw in CW direction until you see the horizontal line move in a downward direction. Then slowly turn the leveling screw back CCW and watch the horizontal line. If it moves past the starting point and then suddenly swings back, your compensator is sticking. Be sure to check it in both directions (CW & CCW). If your level is sticking, Turning Point’s service department can help!
Damaged Compensator
Hold your level in both hands and look through the objective lens (opposite side of the eye piece). See Fig 2. With the instrument in a relative level position slowly rock the level up and down and you should see the mirror inside move slow and steady in both directions then the compensator is in good working order. If the mirror jumps all in one movement then bring it into Turning Point for service.
Determining “Plumbing Accuracy” of Prism Pole Vials
Plumbing Accuracy (target over the Point at a known height) is determined by both the sensitivity of the vial and the height above the Point. The type of vial used should be determined by the accuracy required, as well as how high the target needs to be. The chart below shows the Plumbing Accuracy of vials. (Assumes vial is dead centered and in perfect calibration).
The error (per inch, foot, meter) x height (in same units) of target = plus or minus error.
Examples:
Caution: Many errors are made by not using the correct units of measure or converting incorrectly. Be sure to understand the units of measure.
Maintaining Your Thumb Release
Bipod or Tripod
For proper operation:
The leg interior should be clean and dry.
Light lubricant on the end of the latch rod (#7). Do not use excessive lubricant.
The outer tube can be washed out with clean water and blown out with compressed air to remove contamination.
Remove prism pole point (#1) to expose hole. Shotgun cleaning tools can also be used.
To disassemble leg:
Unscrew threaded stopguide (#2), ccw.
Press lock button (#3) to release lock and pull inner from outer assembly. CAUTION: if o-ring (#4) has slipped the lock plungers (#5) could be loose. So pull the inner out slowly.
Reassemble in reverse order.
Solutions for Rare Problems:
Leg Slips
Turn brass button (#3) clockwise until leg locks satisfactorily. If button does not easily, disassemble, clean and relube lock cone (#6) and latch rod (#7).
Disassemble, inspect locking mechanism for cleanliness. Clean lock plungers (#5) and inside of outer leg tube (#8).
Tight Spots
2.1 Same as 1.2
2.2 Inspect for dents in
outer leg (#8). Replace if necessary.
Leg Sticks
3.1 Same as 1.2
Using a USB Adaptor With The 9 pin Download Cable
Some laptops do not have a 9 Pin port for communication with your data collector. In these cases a USB adaptor is required to make the connection from your NULL MODEM cable to the data collector. Carlson recommends the USB 1.1 to Serial Converter Cable made by IOGear: http://www.iogear.com/main.php?loc=product&Item=GUC232A
You must install the drivers for this cable to work. The drivers should be supplied with the adaptor, on a CD.
Once the drivers have been installed, follow this procedure:
1) Go to the Control Panel of your laptop.
2) Double-Click System icon for System {if you don’t see system in the list Click Switch to Classic view in the upper left}
3) Go to the Hardware Tab
4) Click the Device Manager button
5) Scroll down to Ports (COM & LPT).
6) Double-Click on Ports (COM & LPT)
7) Note, which Com Port has been set up with new drivers for your adaptor {i.e. Brand X USB Adapter Communications Port (Com4)}. This will be important when it comes time to select the Com Port in both Activesync and Carlson Software programs. If you don’t see a Com number in parenthesis under the Ports (Com & LPT) heading, you may need to re-install the Driver that came with your USB Adapter.
8) Now close out of all 3 of these windows with the X button or by clicking cancel
9) Open the Data Transfer Program that you would like to use {Carlson X-port, Survey or SurvCadd}
10) Click Tools / Data Transfer / SurvCE_G2… / click OK to the Error Box / Click Options / Change the Com Port to the correct Com port that was listed in Step #7 under the Device Manager --- You should be able
How to Clear The RAM Backup and Why
Clearing the RAM backup seems to improve performance on the Ranger platform after new programs have been installed or removed. Make sure that all software applications are closed and select the “RAM Backup” icon from the control panel. Select the “Delete” button and answer “Yes” to the three resulting message boxes.
