OPERATING the B400 VARIO

Always:

a) turn the vario ON after turning the Master Switch on, and

b) turn the vario OFF before turning the Master Switch off.

On turning power on the pointer goes full down for a few seconds then back to zero.

Red and green lights near zero flash momentarily.

Vario is ready a few seconds later.

Audio volume is set by the toggle switch in top right mounting screw hole.

Moving switch up to the left increases volume, down to the right decreases volume.

The push button in the lower left screw hole has two functions:

1) Press and hold causes the pointer to give a 20 second running average. The audio

remains on current situation.

2) Pressed momentarily causes the audio to switch between “up only” and “full range up and

down” modes.

When changing from “up only” to “full range” both red and green lights briefly flash rapidly.

When changing from “full range” to “up only” only the green flashes.