User`s manual
AEQ FORUM 
Digital audio mixer for broadcast applications 
80
• “Ring”: the key starts to blink when there is an incoming call. This function can be 
combined in the same key with any of the following three functions. 
• “Extended”: enables the option of frequency extender for the FR33 telephone hybrid. 
The key turns on when activated. 
• “Wait”: allows you to put the call on hold (you can send audio to the telephone line, but 
the audio from the line is not received in the console). The key turns on when activated. 
• “OnAir”: allows you to put the call on the air (you can send audio to the telephone line 
and the audio from the line is received in the console). The key turns on when activated. 
• “Slot”: allows you to configure the position (between 1 and 14) on the rear panel of 
AEQ FORUM where FR33 module has been installed. 
• “OK”: allows you to accept the created or edited configuration. 
• “Cancel”: allows you to reject the created or edited configuration. No change you may 
have made is saved. 
• “OK”: allows you to accept the created or edited configuration. 
• “Cancel”: allows you to reject the created or edited configuration. No change you may 
have made is saved. 
IMPORTANT NOTE: “Extended”, “Wait” and “OnAir” functions are exclusive between them (a 
programmable key can have only one of the three options associated), although any of them 
can be combined in the same key with “Ring” function. 
For TH02 hybrid, the available options are: 
• “Ring”: allows you to select the GPI where the incoming call signal provided by the 
hybrid is wired. The key starts to blink when there is an incoming call. This function can 
be combined in the same key with any of the following three functions. 
• “Extended”: enables the option of frequency extender for the TH02 telephone hybrid 
and select the GPO used to send the remote control signal to the hybrid. The key turns 
on when activated. 
• “Wait GPO”: selects and configures the physical GPO output associated to “WAIT” 
function. The key turns on when activated and puts the call on hold (WAIT mode). 
• “On Air GPO”: selects and configures the physical GPO output associated to “ON AIR” 
function. The key turns on when activated and puts the call on the air (ON AIR mode). 
• “Line”: for dual line hybrids such as TH02, this identifies the integrated line 1 and line 2, 
to assign the different GPIs and GPOs for remote control 
• “OK”: allows you to accept the created or edited configuration. 
• “Cancel”: allows you to reject the created or edited configuration. No change you may 
have made is saved. 
IMPORTANT NOTE: “Extended”, “Wait GPO” and “OnAir GPO” functions are exclusive 
between them (a programmable key can have only one of the three options associated), 
although any of them can be combined in the same key with “Ring” function. 










