GPT-3000 SERIES - FLT Geosystems

15 DETACH/ATTACH OF TRIBRACH15 DETACH/ATTACH OF TRIBRACHThe instrument is easily detached or attached to the tribrach, with a tribrach locking lever loosened ortightened for this purpose.● Detachment1 Loosen the tribrach locking lever, by revolving it 180° or 200gon in the counterclockwise direction(which will point the triangle mark upwards).2 Grip the carrying handle firmly with one hand while holding the tribrach with the other. Then lift theinstrument straight upwards and off.● Attachment1 Hold the instrument by the carrying handle, with one hand, and carefully lower it on top of thetribrach while, at the same time, coinciding the alignment piece with the tribrach alignment grooveon the instrument and tribrach respectively.2 When fully seated, revolve the tribrach locking lever 180° or 200gon clockwise ( which will point thetriangle mark downwards again).3 Confirm that the upper instrument section is securely attached.Alignment pieceAlignment grooveSecuring screwTribrach locking lever●Locking the Tribrach Locking LeverThe tribrach locking lever can be locked, to prevent it be accidentally removed, especially if theupper instrument section is not being detached very often. Simply tighten the securing screw on thelocking lever with the accessory screwdriver, found in the case.15-1