This FAQ describe, how to make an upgrade of the communicator unit 2N® Lift1 with software 2N® Lift1 Service Tool.

• For this upgrade is necessary 2N® Programming Tool, for PC connection using USB.
• Is necessary to have installed 2N® Service Tool, actual version can be downloaded on www.2n.cz
• You can change firmware version or voice menu - in both cases the procedure is the same.

• Being programmed, 2N® Lift1 is powered from the USB port and need not be connected to a telephone line. Having been disconnected, however, 2N® Lift1 loses power and thus all unsaved data.
• To make your 2N® Lift1 remember time, leave the line connected during programming. Thus, no data will be lost after USB disconnection and the line will be detected as seized during programming.
• The programming interface provides galvanic isolation of the PC and 2N® Lift1.
• The 10-wire interconnecting cable has no key on the 2N® Lift1 side, so respect the cable colours (see the figure). An inverse connection does not damage the device.
• Correct PC and 2N® Lift1 connections are indicated by the blue LED on the edge, which goes on and signals power supply.
• If the PC-2N® Lift1 interconnecting program is running in 2N® Lift1, the green LED starts shining. If not, mount the proper jumper (refer to 2.5 or 2.7 – Installation universal design / compact version) to switch 2N® Lift1 into the recovery mode.
• The green LED flashes to indicate programming.