Common Control Equipment Installation
94
Other useful functions are:
These functions can be assigned to console keys through the programming utility supplied
with the system.
Hybrid Adjustment
A hybrid adjustment needs to be done on any system that is supporting full duplex
operation. See the following section.
Testing
Diagnostic Tests and Adjustments
The phone coupler has three primary modes:
• Idle
• Call Active
• Diagnostic
In Idle and Call Active modes, the
Ring
LED indicates an incoming call. In Diagnostic
mode, the
Ring
LED uses different styles of blinking to indicate the current mode.
When testing and adjusting the phone coupler, the
Connect
button has several functions,
depending on when it is pressed and how long it is held. You use it to initiate Diagnostic
mode and to select tests. (You can enter a DTMF pound sign (
#
) from the console instead
of pressing the
Connect
button, wherever the
Connect
button is called for in these
procedures.)
There are three diagnostic tests. The test selected depends on how many times you press
the
Connect
button. The tests, in the order they are selected, are as follows:
1. Transmit Audio Gain
2. Repeat Audio Gain
On All Consoles
Function
Volume Adjust
Allow receive level to be set from the console.
Mute
Allow the phone channel to be muted by the console operator.
Instant Transmit
Allow transmission on the phone channel without “selecting” the channel.
Patch
Allow the phone channel to be “patched” to a radio channel.
Note
The tests and adjustments described in this section assume that
Содержание 4000 Series
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Страница 339: ...339 RSMP Operation Figure 99 Main Screen...
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Страница 417: ...417 Index wiring accessories 164 wall jack 86 wiring diagram for M4219 244 X XMT button labels 332 XP settings 247...
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