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11. IVA STEREO: This green LED lights to indicate the IVA processor is switched in.
12. IVA SURROUND: This green LED lights to indicate that both the Dolby Surround Pro Logic decoder and the IVA processor are
active.
13. SELECTOR: This three-position slide switch selects stereo, IVA, and Su IVA modes.
5.2.2 Rear Panel
14. INPUT L/R: Left and right RCA audio input jacks.
15. OUTPUT L/R: Left and right RCA audio output jacks.
16. DC 12 V: DC input jack for AC adapter
17. FREQ. ADJUST: frequency tuning control
18. INPUT LEVEL: This rotarty control sets the input level to the IVA and Surround processors as well as the entire audio section. The
RF section is modulated automatically by an AGC circuit.
19. Charging pins (see fig. 2)
6 Operating Notes
6.1 Connecting the Transmitter to AC Power
1.
Connect the cable on the supplied AC adapter to the DC 12 V jack (16) on the transmitter rear panel as shown in fig. 3.
2.
Check that the AC voltage stated on the AC adapter is the same as that available in your country.
If
it is, connect the AC adapter to a convenient AC outlet (see fig. 4).
6.2 Connecting the Transmitter to Your Audio Source
You may connect the transmitter either to a headphones output (mini jack or 1/4” jack), LINE, or REC outputs.
6.2.1 Connecting to a Headphones Output
1.
Before connecting the transmitter to your audio source, switch the audio source OFF.
2.
Referring to fig. 5, plug the red RCA connector (right channel) on the supplied jack cable into the red INPUT R socket (14) and
the white RCA connector (left channel) into the white INPUT L socket (14) on the transmitter rear panel.
3.
Connect the stereo mini jack plug of the jack cable to the headphones output of your audio source (refer to fig. 6).
4.
If the headphones output on your equipment is a 1/4” jack, plug the supplied mini jack to 1/4” adapter jack onto the jack
cable. Connect the adapter jack to the headphones output.
6.2.2 Connecting to a LINE or REC Output
1.
Before connecting the transmitter to your audio source, switch the audio source OFF.
2.
Use the supplied RCA cable to connect the white LINE OUT L or REC OUT L jack on your audio source to the white INPUT L
jack (14) on the transmitter rear panel and the red LINE OUT R or REC OUT R jack to the red INPUT R jack (14).
6.2.3 Connecting to TAPE Inputs
By connecting your HEARO 777 SURROUND to the ”TAPE” or ”PLAYBACK” inputs on your amplifier, you can enjoy IVA and surround
sound through an extra pari of wired headphones in addition to the wireless ‘phones. Proceed as follows:
1.
Switch you audio source OFF.
2.
Use the supplied RCA cable to connect the white LINE OUT L or REC OUT L jack on your audio source to the white INPUT L
jack (14) on the transmitter rear panel and the red LINE OUT R or REC OUT R jack to the red INPUT R jack (14).
3.
Use another RCA cable (not supplied) to connect the white ”TAPE IN” or ”PLAYBACK IN” jack on the amplifier to the white
OUTPUT jack (15) on the HEARO 777 SURROUND rear panel and the red ”TAPE IN” or ”PLAYBACK IN” jack on the amplifier
to the red OUTPUT jack (15) on the HEARO 777 SURROUND rear panel.
4.
Connect your wired headphones to the headphones jack on your amplifier.
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