Hardware manual

Issue 8 Electra Elite
7 - 34 Installing Optional Equipment
3.8.3 Switch Settings
The HFU-U Unit uses 2-position switches SW1 and SW2.
Refer to Table 7-5 HFU-U Unit Switch Settings.
Figure 7-43 HFU-U Unit Switches
Table 7-5 HFU-U Unit Switch Settings
SW1 SW2
Description
Position
1
Position
2
Position
1
Position
2
OFF ON OFF ON Full Duplex (Default)
ON OFF OFF ON Half Duplex (6db mix ratio)
OFF ON ON OFF Half Duplex (12db mix ratio)
ON OFF ON OFF Half Duplex (18db mix ratio)
Full Duplex: In some large areas or noisy locations half duplex should be
used. The echo canceling ability of the HFU-U is limited.
Half Duplex: When voice clipping occurs, use a lower decibel setting.