ASL INTERCOM VAR8 Operation And Maintenance Manual page 144

VAR8 and Variants Operation, Commissioning, Fault Finding, and Maintenance Guide
Ref. Item
144 Security
145 Surv
146 EQ
147 Fade
148 Chime
149 Gain
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VAR8 Menu Description
Determines whether or not the button function is protected by a microphone key-
switch, and if so, which key switch. When protected, the key must be turned on
for the button function to be allowed.
Possible values: 'Not Protected' or 'Protected'
Switch #-1 to #9
Default value: 'Not Protected'
Enables the user to select whether or not the router detects (and reports loss of)
a low-frequency (LF) surveillance tone. The detection threshold level is also
adjustable.
Possible values: Mode= 'Off' or 'LF'
Level(dB)=–40dB to 0dB (1dB steps)
Default values: 'Off' and '–40dB'
For BS5839 compliance the input surveillance MUST be enabled on Fire
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Microphone inputs.
The input surveillanc
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default value (–40dB) on Network Channel inputs, for recovery in case of
network fault.
Surv is not ava ilable for Music and Mute inputs.
Enables the user define the relative gain for each freq
high frequencies) of 3-band equaliser.
A switchable High Pass filter is also con
Possible values: LF=–12dB to +12dB (1dB steps)
Mid=–12dB to +12dB (1dB steps)
HF=–12dB to +12dB (1dB steps)
HPFilter='On' or 'Off'
Default values: 'HPFilter=Off' and '0dB' for all bands
High Pass f ter is not available for Music input. il
EQ is not available for Mute input.
EQ should be set to 'Off ' on Networ
Enab les the user to define time over which this audio chan
when audio sources change.
Possible values: Up=00 to 50
Down=00 to 50
Multiply by 0.1 to have th
D efault v ue: al '00'
Fade is no t a vaila
Fade times should be set to '00' on Ne
Enables the user to define type and level of chime, if any, to be so
microphone announcement.
Possible values: Type='Off', 'Chime-1', Chime-2', or 'Chime-3'
LEVEL(dB)=–40dB to 0dB (1dB steps)
D efault v ues: al 'Type=Off' and '–12dB'
Chime is not available for Music and M
Chime should be set to 'Off' on Network Channel in
Enables the user to configure the input gain. A sub-menu is
the configuration of the gain in respect of any output to which it may be route and
separately for each output to which it may be routed.
Gain is not available for Mute input.
Is sue: 02 complete, approved
Page 144 of 166
Description/Possible Settings
e MUST be enabled and the threshold level set to its
figurable.
k Channel inputs.
e time in seconds.
ble for Mute input.
twork Channel inputs.
ute inputs.
uency band (low, mid, and
nel is faded up/down
unded prior to
puts.
displayed allowing