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To activate the paging override a 5-25 DC volts is applied and the override occurs 
when the voltage is present. The paging occurs about 1 second after the voltage is 
applied and continues until the voltage is removed. Call our technical support for 
further details. 
 

Trigger output 

The mono 3.5mm connector on the rear of the GSZ67 supplies 12 VDC (maximum 
100 mA) when any or all of the zones are turned on. 

 
Pass output  

The PASS output port on the rear of the GSZ67 is for data signals going to an 
infrared generator. This is a stereo 3.5mm connector and is connected to all keypads 
in the system.

 

 

 

MR164 Programming 

After the MR164 is installed in the 
wall and the system is switched 
on each MR164 needs to be 
programmed. 
 
Program it for: 

 

1.

 

Room or zone 
identification 

2.

 

Source input labels 

3.

 

Equalization (if required)  

 
                                   

 

 

MR164 Keypad Functions 

 

1. Room or zone keypad identification

. Now that the system has been installed and powered 

up it is time to let the amplifier and keypads know which rooms are which. Go to the first keypad 
connected to room #1. (Keypad is connected to KEY1 and speakers are connected to 
SPEAKERS 1). The keypad will display:    

 
                       

       System 
          Off 

 
 
Without pressing any other buttons on the keypad: 
 

1.  Press “MUTE” 
2.  Press and hold “INPUT” for 5 seconds. This keypad can now be assigned a zone. 

“Source 1” will show on the screen. 

3.  Press “OFF” 
4.  Zone change screen will show. Use the up or down arrows to select the correct zone. 
5.  Press “INPUT” and this zone number will be stored. The screen will display “System Off”. 

 
 

2. Source input labels

. The seven source input labels have to be programmed individually into 

each keypad. There are over 25 labels available for each source. 
 
Labels can be programmed from the keypad only when it is powered up and not from a remote 
control. 
 

OFF

M UTE

VOL

INPUT

ALL

Line 2

Line 1

Infrared
Receiver

Mute
Button

Volume
select
button

Input
select
button

LCD display

Volume UP
and DOWN or
source select or
sets backlighting

ALL button for whole
house functions
Shut off this room
or shut off whole
house (press for
5 seconds

Summary of Contents for GSZ67

Page 1: ...GSZ67 12 Channel Eco System Controller Amplifier Installation Instructions v1 3...

Page 2: ...storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or p...

Page 3: ...between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician fo...

Page 4: ...pment The GSZ67 is normally controlled by MR164 LCD keypads with or without Knoll remote controls or RS232 commands from whole house controllers The paging override is normally used for whole house an...

Page 5: ...amaged during shipping please contact your dealer or Knoll immediately and request the name of the carrier so a written claim can be made The right to a claim against a public carrier can be forfeited...

Page 6: ...and degradation in performance To connect the amplifiers to your speakers a removable plug with screws is provided for each stereo channel output Strip approximately 1 4 inch of insulation from the en...

Page 7: ...by request all enclosed in parentheses The request can be in some cases a read request followed by a or a write request followed by 0 3 ASCII digits A read command will return the current setting and...

Page 8: ...y Unmute num n 1 6 write only Mute All amu none write only Unmute All aum none write only Vol nvl Or n 1 6 read or write note 1 0 80 Vol All avl 0 80 write only Input Select nsl n 1 6 write only 1 7 I...

Page 9: ...sy chain one zone and another zone on one wire you may lose some infrared functionality Each room or zone has a unique IR pass thru port as indicated on the rear of the GSZ67 In addition there is an a...

Page 10: ...5mm mono jack DATA IN and DATA OUT connections On the rear of the GSZ67 amplifier there are two 3 5mm stereo jacks labeled DATA IN and DATA OUT These ports connect two or more GSZ67 s together so the...

Page 11: ...powered up it is time to let the amplifier and keypads know which rooms are which Go to the first keypad connected to room 1 Keypad is connected to KEY1 and speakers are connected to SPEAKERS 1 The k...

Page 12: ...o enter the installer menu from System Off press the keypad MUTE button for about 1 second then immediately press the INPUT for about 5 seconds Release the INPUT button as soon as the LCD displays Sou...

Page 13: ...easy nighttime operation To adjust the backlighting make sure the power for the keypad is on and the MR164 is off not playing any sources The LCD display then displays System Off Without pressing any...

Page 14: ...us for assistance Problem Solutions Amplifier won t turn on Master power switch turned off No power light LED Turn on Master Power Switch Amplifier turns on but no audio Input plugs not connected to...

Page 15: ...ND EXCLUSION Knoll shall have no further obligation under the foregoing limited warranty if the Product has been damaged due to abuse misuse neglect accident unusual physical or electrical stress unau...

Page 16: ...urce 1______________________ Source 2_____________________ _ Source 3______________________ Source 4_____________________ _ Source 5______________________ Source 6_____________________ _ Source 7_____...

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