ic audio GmbH
Boehringerstraße 14a; D-68307 Mannheim; Germany
Fon: + 49(0) 621 / 77096-0; Fax: + 49(0) 621 / 77096-26
E-Mail: [email protected]; www.ic-audio.com
EN
8
MT-AMP 1000
24. Mode selection
Mode 1:
Amplifier
Function
Internal
BGM/Call power amplifier
External
Call power amplifier
Mode 2:
Amplifier
Function
Internal
BGM/Call spare power amplifier
External
Call power amplifier
25
.
20KHz ON/OFF DIP Switch
When set it at “ON”, pilot tone has 20 KHz signal; The spare amplifier can act as standby amplifier.
When set it at “OFF”, there is not 20 KHz signal. The standby amplifier will take over internal amplifier
when internal amplifier is abnormal.
26. MIC 1~6 Priority MODE DIP Switch
Two digital DIP switches are used to set microphone priority MODE. Set the DIP switch as follows:
00: MIC 1>2>3>4>5>6
01: The announcing MIC has the first priority
10: the new announcing MIC can override other MIC
11: All the MICs have the same priority.
27. Chime MODE DIP Switch
There are 2 pins of DIP switch to select the chime mode. Set the DIP switch as follows:
00: Chime off
01: Chime 1 ( 1 tone )
10: Chime 2 ( 2 tones)
11: Chime 3 ( 4 tones)
28. CHIME VR
Adjust chime output level
Note: Short the trigger contact pins of RJ45 (42) will create chime signal output.
29. AUX 2, AUX3
AUX 2 and AUX3 are RCA terminals to connect to external equipment's output signal. The Aux2 signal
level is 200 mV, 10 K
Ω
unbalanced. The Aux3 signal level is 200 mV, 10 K
Ω
unbalanced.
30. AUX 1 XLR Input
AUX 1 is XLR terminal to connect to external equipment's unbalanced output signal. The signal level is
500 mV, 10K
Ω,
unbalanced.
31
.
MIC 6/ Phantom/ LINE 2 Switch
By setting switch at LINE 2 or MIC 6, the input level can be switched. Set at phantom position, there will
be phantom power on to the MIC input.
LINE 2: 200mV, 600
Ω
, balanced
MIC 6: 1.5mV, 600
Ω
, balanced
ic audio
