Transmitter Controls And Functions

3000 Series Installation and Operation

The squelch level is adjustable from 15 dB (the default value) to 39 dB in 6 dB steps. Increasing the squelch level – also called “tightening the squelch” – can cause a reduction in useable range of the wireless

Receiver Functions (continued)

Function	Default	Choices	Wrap-
Menu	Setting*	(Edit)▲▼	around**

transmitter, so use the lowest value that reliably mutes the unwanted RF signals. (If interference is a problem, first consider trying a different frequency.)

Antenna Power

The antenna input jacks also can provide +12V DC output on their center pins to power inline RF devices. A maximum of 60 mA can be drawn from each of the jacks. While an accidental short-circuit will not harm the internal 12V supply, make certain that an antenna cable shield does not contact the center conductor. Antenna Power (“ANT.PWR”) is selected (switched on or off) from the LCD menu.

Pre-coordinated Frequency Scan Groups 1-9

The nine scan groups provided on the 3000 Series receivers simplify the selection of usable frequencies in a multi-channel wireless system. If you are using multiple systems, stay within one of the nine frequency groups for all of your systems. The available frequencies within each

▲▼ Group 6

▲▼ Group 7

▲▼ Group 8

▲▼ Group 9

▲▼ Quit (exit Menu)

Lowest in frequency group

QUIT

All frequencies in Group 6

All frequencies in Group 7

All frequencies in Group 8

All frequencies in Group 9

Press Mode/ Set to exit

–

group have been selected for simultaneous use, eliminating the frustration encountered when trying to select compatible frequecies in a multi-channel system.

Scan Groups 8 and 9 have been designed to allow for use on adjoining stages. Use Group 8 on one stage and Group 9 on a second nearby stage. Or use these two groups in two different rooms, with one room using Group 8, and the second using Group 9.

*To reset to Default values, hold in the Mode/Set button while pressing the Power button to turn on the unit.

**Continue in the same Up/Down direction and choices “wrap around” to the other end of the range.

†Band I: 482.000 – 507.000 MHz; Band C: 541.500 – 566.375 MHz;

Band U: 606.000 – 631.000 MHz; Band D: 655.500 – 680.375 MHz;

Band G: 721.500 – 746.375 MHz; Band E: 795.500 – 820.000 MHz;

Band F: 840.125 – 864.900 MHz

Receiver Functions

Function	Default	Choices	Wrap-
Menu	Setting*	(Edit)▲▼	around**

(Receiver powers-up at Frequency)
▲▼ Frequency	Lowest in	All frequencies	Yes
	band†	in band
▲▼ High-pass	HP OFF	HP OFF, HP–6,	No
Filter		HP–12, HP–18
▲▼ Meter Hold	MH OFF	MH OFF	Yes
		MH ON
▲▼ Squelch	SQ 15 dB	SQ 15 dB to	No
		SQ 39 dB in
		6 dB steps
▲▼ Antenna	OFF	PWR OFF	Yes
Power		PWR ON
▲▼ Group 1	Lowest in	All frequencies	No
	frequency	in Group 1
	group
▲▼ Group 2	Lowest in	All frequencies	No
	frequency	in Group 2
	group
▲▼ Group 3	Lowest in	All frequencies	No
	frequency	in Group 3
	group
▲▼ Group 4	Lowest in	All frequencies	No
	frequency	in Group 4
	group
▲▼ Group 5	Lowest in	All frequencies	No
	frequency	in Group 5
	group

Refer to Figures E, F, G and H for an overview of transmitter features and controls.

LCD Window

The backlit Liquid Crystal Display presents a great deal of setup and operating information clearly and conveniently (See examples in Fig. J). The LCD in the transmitters is designed for greatest contrast and best viewing with the window rotated somewhat away from the viewer (about 30 degrees), not straight-on, for a more convenient holding/ viewing position. The display is illuminated with a backlight when you power on the device and when you press Set to access transmitter functions. The backlight remains on during the Set process, only turning off if no action is taken within 30 seconds or if Quit is pressed; otherwise, it automatically turns off in ten seconds.

Power/Mute Button

The transmitters have a combination Power and Mute switch. When used in combination with the programmed choices explained below, the various functions available to the transmitter user may be tailored to fit personal preferences or particular situations of use.

Power On/Off

To turn the transmitter on, press and hold the Power/Mute button until the green power indicator and the LCD window come on (about 1-2 seconds). The operating frequency will show in the window after the power-up sequence.

To turn the transmitter off, press and hold the Power/Mute button again, until the green power indicator and the LCD window are extinguished (about 1-2 seconds). The LCD window will show “PWR.OFF” before shutdown.

Mute Off/On

When the transmitter is muted, it produces RF with no audio signal