Operating Button-Based Consoles
36
Operation
In this section:
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Enhanced Telephone Line Operation
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Receive Operation
When receive activity is present on a channel, that channel’s red Call LED blinks. This
LED is usually next to the
SELECT
or
INSTANT SELECT
button. If the channel is
selected, the activity is heard through the select speaker (or handset/headset). If the
channel is unselected, the activity may be heard through the unselect speaker. If the
channel is selected, the receive audio level is shown on the level meter under the time/
message display.
The
SELECT VOLUME
and
UNSELECT VOLUME
knobs may be used to adjust the
speaker audio levels. Headset earpiece volume is adjusted using the knob on the headset
jackbox. Each channel’s receive volume may be independently adjusted using the
CHANNEL VOLUME
knob and the channel’s
VOLUME ADJUST
button. See the
description of the
VOLUME ADJUST
button in
Transmit Operation
Prior to transmitting, be sure the channel is clear. First, select the desired channel/
frequency. If the transmitter is already in use, the channel’s red Busy LED is solidly
illuminated (distinguishing it from a blinking Call indication). Listen to the select audio,
and observe the Call LED to see if there is receive activity on the channel. On channels
equipped with PL (coded squelch), press the
MONITOR
button to check for any coded
channel activity. Use of
MONITOR
is required by the FCC for systems using PL.
When you are sure the channel is clear, you may transmit by pressing and holding the
TRANSMIT
button, the foot operated Transmit switch, or the Handset PTT switch,
depending on options installed. While you are transmitting, the red LED on the
Содержание 4000 Sereis
Страница 1: ...Series 4000 Communication Control System Operation Version 5 6 025 9535L...
Страница 7: ...7 Contents Appendix A Glossary 149 Paging Glossary 149 General Glossary 150 Index 153...
Страница 8: ...Contents 8 025 9535L...
Страница 16: ...Introduction 16 025 9535L...
Страница 99: ...99 Operation Figure 23 iDEN Status Select Submenu Figure 24 iDEN Status Select Subwindow...
Страница 123: ...123 Operation Figure 47 MAP27 Dynamic Group Selection Submenu Figure 48 MAP27 Dynamic Group Selection Subwindow...
Страница 139: ...139 Operation Figure 58 MDC 1200 Status Selection Submenu Figure 59 MDC 1200 Status Selection Subwindow...
Страница 152: ...Appendix A Glossary 152 025 9535L...
