Extron electronics NetPA Ultra Series User Manual page 25

d. Sets trim blocks to unity gain.
e. Unmutes gain blocks and sets them to unity gain.
f.
Removes any inserted or active DSP.
g. Unmutes all inputs and sets them to unity gain.
h. Clears all preset and group master memory.
i. Turns off unsolicited responses for status updates.
j. Enables standby timer.
k. Ensures unit will not be in standby mode.
The Reset LED flashes 3 times in quick succession during the reset.
figure 13
8 Speaker Outputs (see
screw connectors for up to four channels of speaker output. Each port has a screw flange to
secure the plug to the connector. Observe the correct polarities for each channel as shown below.
CLASS 2 WIRING
1 2 3
8 /4 OUTPUTS
WARNING:
AVERTISSEMENT :
• Do not tie channel output pins to each other or to ground. Doing so will short
out the outputs, damage the amplifier, or both.
• Ne pas lier les sorties 1 et 2 des canaux entre elles ou à la terre. Les sorties
pourraient être court-circuitées et/ou l'amplificateur pourrait être endommagé
To avoid risk of damage to the amplifier or the speakers, always connect
•
low-impedance speaker loads (8 Ω / 4 Ω ) and high-impedance speaker loads
(70 V) to the appropriately marked output connectors on the amplifier.
• Pour éviter tout risque de détérioration de l'amplificateur ou des enceintes,
connectez toujours les charges de l'enceinte faible impédance (8 Ω/ 4 Ω) et
les charges de l'enceinte haute impédance (70 V) aux connecteurs de sortie
correctement identifiés sur l'amplificateur.
NOTE: You must use Class 2 wiring for this output to comply with UL requirements.
wire the stereo audio output, do the following:
To
1. Strip and insert the speaker wires into the connector and tighten the captive
screws.
Make sure to observe correct polarity.
Figure 17. Securing Speakers Wire with Captive Screws
on page 15) — Connect up to two 4-pin, 5 mm captive
4
Do not tin the wires!
NetPA Ultra Series • Operation 18