PowerBox Systems Core V 2.50 - Vario ON;OFF; Start Tone; Climb Sensitivity; Sink Sensitivity

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3.10.2. Vario ON/OFF

At this point you can choose a transmitter control which switches the Vario tone on and off.

3.10.3. Start tone

Here you determine the basic frequency of the tone output when the Vario is generating 0 m/s.

3.10.4. Climb sensitivity

At this point you can deﬁne how steeply the tone is to change when the model’s climb rate alters. If you enter a high value, the

Vario tone will alter more rapidly, even when the climb rate is small.

3.10.5. Sink sensitivity

Here you can deﬁne how steeply the tone is to change when the model’s sink rate alters. If you enter a low value, the change in

Vario tone will be less marked, even when the sink rate is high.

3.10.6. Climb offset

This value determines the threshold for climb at which the Vario is required to generate a tone. In weak thermal conditions you

would probably set this to a low value to enable you to detect even small areas of lift acoustically. The ﬁltering of the Vario sensor

also plays a role here. If you place the Vario on a stationary surface and it ﬂuctuates by 0.2m/s to 0.3m/s, then it makes sense to

set this value slightly higher. Varios with good digital ﬁltering such as the PowerBox PBS-Vario allow low values here.

3.10.7. Sink offset

Here the same applies as for climb offset, but for the sink range.

3.11 Doorsequencer

The Core door sequencer allows you to create two entirely independent sequences, which are activated with a switch.

The sequencer includes a special feature in the form of a Pause function. For example, if you use a three-position switch, the

sequence can be paused by moving the switch to the center position. The switch can also be used to halt the sequencer at any

time during the sequence and reverse its direction. The sequence does not have to reach the end before the direction can be

changed.

Another outstanding feature of the sequencer is its two modes. You can set up the sequences to run individually, as is usual, for

example, with a retractable undercarriage, or in loop mode. The latter is particularly useful for scale functions which repeat the

same process.

Each sequence is capable of controlling a maximum of six servos. The travel of each servo can be set separately in two directions

- forward and reverse - with up to seven deﬁned points on its travel. The travel points are freely variable in terms of servo position

and timing.

To set up a sequence, press + in the menu, and the following display appears. The ﬁrst step is to select a Transmitter control.