These amplifiers have been designed so they can be left free-standing on a shelf, tabletop or
desk. The four rubber feet provided in the amplifier’s accessory pack should be stuck to the
underside of the amplifier.
Free-Standing Model Nos.
PRO5/SD, PRO7/SD, PRO11/SD, PRO5/DD, PRO7/DD, PRO11/DD
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SigNET PRO Range Instructions
Approved Document No. DAU0000105 Rev 2
MOUNTING THE AMPLIFIERS
Always refer to the Safety Guidelines (page 2) before deciding on a location for the amplifier.
A Mic level input should be wired to the amplifier’s Microphone input, as shown below.
Unbalanced microphones should be wired as Ve to A+, screen to 0V and A- linked to 0V..
Balanced microphones should be wired to 0V, A- and A+ (A+ carries the 12 V phantom power).
Unbalanced Mic
LINE IN
0V
A-
A+
Connect to electret mic
0V
A+ A-
TREACH
0V
A- V+
0V
A-
A+
MICROPHONE
Balanced Mic
Connect to electret mic
0V
REACH
0V
- V+
0V
A-
A+
A+ A-
LINE IN
0V
A-
A+
MICROPHONE
Unbalanced line level inputs should be wired as shown right
with Ve to A+, screen to 0V and A- linked to 0V.
Balanced line level inputs should be wired using outreach
plates (detailed on page 10).
Unbalanced Line
TREACH
0V
- V+
0V
A-
A+
0V
A-
A+
MICROPHONE
A+
Line In
LINE IN
0V
A-
The loop cable should be laid in a single turn (unless otherwise instructed by SigNET technical
department) and wired into the amplifier’s terminal block labelled LOOP1 and LOOP2 (model
dependent), as shown below.
LOOP 1
LOOP 2
OPTICAL
RELAY
NO COM NC
LINE OUT
0V
A-
A+
OUTREACH
0V
A-
A+
V+
IF FITTED
A-
A+
A-
A+
IF FITTED
Loop cable
(LOOP 2 CONNECTIONS
NOT SHOWN)
Ensure the ferrite bead (supplied)
is fitted at the terminal block.
A- LOOP 1 A+
Loop Connectors (Wall-Mount Model Only)
Microphone Connector (Wall-Mount Model Only)
Line In Connector (Wall-Mount Model Only)
Menu Displays
Use the
(Left)
and
4
(Right)
buttons to scroll
through the amplifier’s menu displays, listed
right.
1
Line Input
2
Microphone
3
Phantom
4
Outreach
5
Digital (model dependent)
6
Metal Comp
7
Loop 1 Drive
8
Loop 2 Drive (model dependent)
9
Phase Shift (model dependent)
10
Brightness
11
Key Lock
Microphone
This menu display can be used to adjust the sensitivity of the microphone input signal.
Select the
Microphone
display and press the
Up
4
and
Down
control buttons to adjust the
microphone input level.
VU
Down
Up
min
max
Phantom Phase
Peak
Fault 1
Microphone
Phantom
Line lnput
2
Limit
HOT!
6 of 16
SigNET PRO Range Instructions
Approved Document No. DAU0000105 Rev 2
Line Input
This menu display can be used to adjust the sensitivity of the audio line input signal.
Select the
Line Input
display and press the
Up
4
and
Down
control buttons to adjust the
line input level.
VU
Line Input
Key Lock
Microphone
Down
Up
min
max
Phantom Phase
Limit Peak
Fault 1 2
HOT!
With the audio line input source active, use the
Up
4
control button to increase the signal
strength until the
Limit
indicator flickers (lit occasionally), as shown above.
With the microphone source active, use the
Up
4
control button to increase the signal strength
until the
Limit
indicator flickers (lit occasionally), as shown above.
Important Operating Notes:
1.
On initial power up, the amplifier’s inputs and outputs are all factory set to their lowest
setting, i.e. 0%.
2.
The amplifier will remember and retain its last settings if it is powered down.
