ZETRON 4000 Series, Installation Manual

Page: 57 / 418

57
Configuring Channel Cards
a. Press F to define a Guard Tone frequency.
A:2100,B:2175,C:2300,D:2325,E:2600,F:2800,G:2970,<BS> :
b. Press D to define a custom High-Level duration GT.
enter ’10' to ’79' (duration in 10 ms units),<BS> :
c. Press L to define a custom Low-Level GT amplitude (dB relative to High
Level Guard Tone).
A:-20dB,B:-22,C:-24,D:-26,E:-28,F:-30,G:-32,H:-34,<BS> :
4. Press T to disable the line operated transmit light (LOTL) for tone channels.
5. Press R to disable the Remote Function Tone burst.
6. Press G to disable the Guard Tone / Remote Function voice delay.
7. Backspace to the following menu.
Type,Call,Ani,txDly,<BS> :
Call

To define the channel’s Call input source
1. Press C. This menu appears:
Vox-std,vox-Delay,vox-Thresh,vox-Input,Cor,voxAndcor<BS>:
2. Press V, D, T, I, C, or A to select the channel calls input source. If ‘Vox-std’ is
selected, the VOX hang time will default to 2.0 seconds and the VOX threshold
will default to -28dB. This can be changed by selecting ‘vox-Delay’ instead and
then choosing a custom delay from the following menu:
delay (sec.) = A:0.5,B:1.0,C:1.5,D:2.0,E:2.5,F:3.0,G:3.5,
H:4.0,<BS> :
3. Press T to adjust the threshold.
A=-18dB,B=-20,C=-22,D=-24,E=-26,F=-28,G=-30,H=-32,<BS> :
4. Press I to connect VOX input to AGC input . By default, VOX input is connected to
AGC
output
.
5. Backspace to the main menu.
Type,Call,Ani,txDly,<BS> :
Warning! If you are using the IRR option, disable the guard tone delay.
Doing so prevents an echo effect on the IRR outputs.
STOP
Note Selecting V (Vox-std) in this menu sets all other settings in the call
menu to default. This includes connecting the VOX input to the
AGC output.
The ‘voxAndcor’ call mode is only used for Enhanced Call Detection
mode. Additional settings must be configured for this mode. For
more information, see
Enhanced Call Detection Mode
on page 62.