Telex C-2002 technical manual Front Panel, Common Controls and Indicators

2 Vega’s C-2002

2 Controls and Indicators

					C-2002
	Vu Muter			11:08AM
	Ln1-Fn2		Ln2-Fn8
1	2	3	A	F1	F2	SUP
	ABC	DEF	->
4	5	6	B	F3	F4	Alert
GHI	JKL	MNO	<-
7	8	9	C	F5	F6	Chan
PQRS	TUV	WXYZ	<sp>
*	0	#	D	F7	F8	ALT
			Enter
		LINE 1			LINE 2
Mute		RLS	SEL	Mute	RLS	SEL
VOLUME			MON	IC	Transmit

Figure 1 Front Panel Diagram

2.1Front Panel

Figure 1 shows a view of the Front panel. The Front panel contains the user I/O. It features a Volume control, intercom and monitor functions, panel PTT with indicator, built in panel microphone, per line Select, Release and Mute functions, DTMF keypad, Supervisory, Alert, Channel and ALT functions used with the F1-F8 Function Tone selection. The C-2002 is programmed from the front panel using the four gray soft keys located below the Vacuum Florescent LCD display provides channel/numeric indication, clock and audio-level meter.

2.1.1Common Controls and Indicators

VU Meter: Displays Selected receive and Microphone audio bus levels. This meter is shown on the top line of the display and utilizes the first 12 display elements from the upper left.

Program 1-4:Are used as “soft” programming buttons when in the tech mode. These buttons will have different functions depending on the action required. The bottom line of the display will show their respective functions.

DTMF Keypad: The DTMF keypad is used for transmitting DTMF digits, selecting frequencies for tone control in tech mode (section 6), and entering alphanumeric strings for line/function tone combinations.

Function Buttons F1-F8:When a function tone button is pressed, a guard tone and function tone burst is sent out. No hold tone is associated with the changing of the function tone. When one of the function tones is selected it will light to indicate which function tone is chosen, a function tone shall remain selected until the operator changes the setting. The console will power up with the last selected line and function tone pair selected.

Supervisory button: The SUP button allows one console operator to disable any other console, which is connected to the supervised line. The Red LED is on during supervisory and blinking when being supervised

Alert button: When pressed, a alert tone plus key–up tones will be sent to all Selected lines.

Channel button: Used to change selected line F-tone frequency via the DTMF keypad.

ALT button: Used as a Alternate or Shift function for F1-8 and Alert tones.