Alto MOD-800G Owner'S Manual Download Page 11

Fig 3 mute function on

Fig 2  mute function off

 This key activates several functions:

Press this key slightly once and you will get into the MANUAL SELECT for 
the 144 frequencies. When the GROUP indicator is flashing, you can press 
the UP/DOWN keys to select manually the desired Group. Then you can press 
the MEM key to store this setting.

Press the MENU key twice and the CHANNEL indicator will flash. Use the UP/DOWN 
keys to selected the desired channel and then press MEM key to store this setting.

Press the MENU key three times and you can adjust the OUTPUT LEVEL. Using 
the UP/DOWN keys you have the choice to select three different levels:

PL 0 indicates that the output  level is 1.1V
PL 1 indicates that the output  level is 575mV
PL 2 indicates that the output  level is 250mV

: This function is only available when using the XLR  balanced output.

Press the MENU key four  times and you will get  into the MUTE function. Use  the 
UP/DOWN keys to mute/unmute the  Unit.

 

Press the MENU key five times and you will activate the SQUELCH function. To 
squelch or not to squelch, this is the issue...

Squelch is a complicated name to express a simple conce pt: The threshold above 
or below that a signal is made pass through the receiver or not. 

Fig 1

During this process, the audio output will be muted and the display will show 
you the Group Number scanned, the channel number scanned and the 
frequency that is being scanned. Once the transmitter frequency has been 
found, the display will flash and the RF bar indicator and Battery life icon will 
appear. Press MEM again slightly and such frequency will be stored into your 
MOD-800R Receiver. Please note that frequencies can be scanned manually 
using the UP/DOWN key. See the Annex for more details.

AF
RF

MHz

AF
RF

MHz

AF
RF

MHz

3. CONTROL ELEMENTS

4. OPERATION

You don't want accidental change of frequency or other setting in the middle of a 

performance, do you? Any miss-operation during a live performance can be easily 

avoided thanks to the LOCK function. With the LOCK function ON no further change 

of setting is allowed until the Transmitter is unlocked. To access the LOCK Menu, 

press the CH/ON key four times and then press the SELECT key to lock or unlock

 the Transmitter Settings. Your choice of setting will automatically be saved into the 

Transmitter in a few seconds. The blue display shows "lock" and "unlock" depending 

on the operating mode.

Fig 10: LOCK

Fig 11: UNLOCK

Sometimes, there are things that you want to tell to your Friends on stage or 

your nearby Companion during a Meeting but not necessarily to the rest of the 

world especially if you are ON LIVE on CNN... A smart feature on your Transmitter 

allows you to easily MUTE the microphone so you are free to talk to the people 

next to you without the rest of the world hearing what you say . To enter into 

MUTE function simply press the SELECT key for a few seconds and the Transmitter 

will mute any audio signal going to the Receiver. Press SELECT again for a few 

seconds and you will UNMUTE the Transmitter.

3. CONTROL ELEMENTS

4. OPERATION

Summary of Contents for MOD-800G

Page 1: ...atures and content might be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan http www altoproaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 NF02682 1 3 ...

Page 2: ...e replacing the fuse make sure that the product is OFF and disconnected from the AC outlet 8 WARRANTY To obtain Warranty Service the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of the sales status so as to provide a mo...

Page 3: ... Balance output Power supply Dimensions W D H Weight Multi channels up to 144 frequency presets for each frequency band UHF 470 900 MHz Dependent on applicable country regulations PLL UHF SYNTHESIZED 50 Hz 15 kHz 3 dB 0 005 10 50 1 kHz 0 8 FM F3E 90 dB 100 dB 100 dBm 30 dB SINAD Unbalanced 6 3mm phone jack 550mV 20KHz deviation 1 1 V 20 kHz deviation DC 15V 500mA AC 115V 230V 50 60Hz adaptor 210 1...

Page 4: ... 875 725 875 925 876 125 876 325 876 525 876 725 876 925 877 125 877 325 877 525 877 725 877 925 878 125 878 325 878 525 878 725 1 The values with underlines should be scanned manually by adjusting the UP DOWN key 2 The following channels can be used simultaneously without any interference Group 1 1 850 125 Group 1 10 851 925 Group 2 2 852 725 Group 2 5 859 925 Group 3 4 857 725 Group 2 6 862 325 ...

Page 5: ...endly interface including a large blue back lighted display and an intuitive MENU system for easy operation Auto Scan Function 2 Antennas and switching diversity circuit Selector for three different audio output levels depending of kind of mixer used Squelch control to minimize RF interferences Soft touch rubberised painting to avoid handling noise Rechargeable battery design Selector for three di...

Page 6: ...itored through this big amazing blue back lighted display such as Radio Signal Audio Signal Battery life absolutely with some little magic you can see the battery life of the transmitter directly on the receiver group value channel value and the selected frequency You must connected the two cute antennas you found in the box if you want to get proper RF transmission ANT B GROUP CHANNEL AF RF MHz M...

Page 7: ...l will also be shown 1 1 3 2 4 5 6 7 572 125 572 325 572 525 572 725 572 925 573 125 573 325 573 525 573 725 573 925 574 125 574 325 574 525 574 725 574 925 575 125 575 325 575 525 575 725 575 925 576 125 576 325 576 525 576 725 576 925 577 125 577 325 577 525 577 725 577 925 578 125 578 325 578 525 578 725 578 925 579 125 579 325 579 525 579 725 579 925 580 125 580 325 580 525 580 725 580 925 581...

Page 8: ... or band spans up to 24 MHz of the wireless broadcast spectrum Available bands are F1 470 000 494 000 470 496 MHz F2 518 000 542 000 518 544 MHz F3 572 000 596 000 572 598 MHz F4 638 000 662 000 638 664 MHz F5 702 000 726 000 702 731 MHz F6 740 000 764 000 740 769 MHz F7 798 000 822 000 798 827 MHz F8 850 000 874 000 850 879 MHz F9 915 000 939 000 915 944 MHz 470 125 470 325 470 525 470 725 470 92...

Page 9: ...haracter to the signal It is typical of the Male Announcers through a solid state Transmitter WARMTH Good for Lead Vocalist Male and Female It will make the Male voice warmer and the Female voice more body DE ESSER The name tells everything Use it to de emphasize the sibilants like the letter sound s for example from your vocals VINTAGE RADIO Old tube based Receivers made the Announcer voice sound...

Page 10: ...de variety of applications Until this innovative introduction made for the first time in the world in a wireless system by LTO wireless systems consisting of receiver and microphone transmitters produced a single sound pattern Each microphone capsule design because of the laws of physics features its own frequency response and adds a certain tonal colour to the signal it transmits If you do not li...

Page 11: ...e transmitter frequency has been found the display will flash and the RF bar indicator and Battery life icon will appear Press MEM again slightly and such frequency will be stored into your MOD 800R Receiver Please note that frequencies can be scanned manually using the UP DOWN key See the Annex for more details AF RF MHz AF RF MHz AF RF MHz 3 CONTROL ELEMENTS 4 OPERATION You don t want accidental...

Page 12: ...uency generated by lighting equipment a computer a fax machine and so on Therefore thanks to the large number of frequencies available you can easily switch to another frequency that is interference free In your Transmitter there are 12 frequency bands or GROUPS Each Group contains 12 channels according to EMC regulations To select a Group you must first switch your Transmitter ON by pressing the ...

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