Users Manual

Plug either end of the optical audio cable into the “Digital Audio Out (Optical)”
port on the back of the TV. Plug the other end of the optical digital audio cable
into the port on the back of the transmitter labeled “OPTICAL IN”.
Step 2. TV Audio Format and TV Speaker Setting (use TV remote control)
If you can not hear sound from your speaker after connecting:
• Ensure TV Audio Format is set to “PCM” or “Dolby/DTS” is OFF (This is
IMPORTANT, Ref. Fig 3-6)
3.2 RCA Analog Connection
This Part is an alternative to 3.1 on page 8. This part will explain how to
connect the SIMOLIO SM-621D transmitter to your television, satellite, or
cable box using an RCA analog audio cable.
Notes: If your TV only support single sound out, the TV’s speakers will be
either automatically muted when you plug something into an audio out port
(Optical/ AUX/RCA, etc.) or they become disabled once you choose "External
Speakers" as your TV's audio output. It depends on TV circuit design.
Plug the red and white ends of the audio cable into the analog RCA Audio Out
ports (red and white ports labeled “AUDIO OUT”) on the back of the TV.
Plug the single end of the audio cable into the port labeled “AUDIO IN” on
the back of the transmitter.
• Ensure your TV speaker is set to “External Speakers”. (Ref. Fig 3-7)
* Setting menu may be different depending on different TV brands and models.
For most TVs, the TV's internal speakers and an external audio device can
work simultaneously. Such as, for some newer LG TVs, when do optical
audio connection, you can set the “Sound Out” to “Internal TV Speaker +
Audio Out (optical)”. And for some newer Samsung TVs, you can enable this
feature by selecting “TV Speaker” from the TV Sound Output lists.
• Be aware that the base should be placed at least 4 feet away from your Router/
smart WiFi TV/TV sticks/WiFi TV box to avoid interference.
• If you cannot get to the back of your TV and you only watch the programs
through a fixed TV box (cable/satellite box/DVD etc.), you can also use these
instructions to install the system to your TV box.
Step 1. Hook up SIMOLIO to the RCA Audio Out Port of the TV/other
Audio Device
Fig 3-6 Fig 3-7
Speakers
Internal speakers
External speakers
Headset
Settings
Audio Format
Dolby Digital
DTS
DTS Neo 2:5
PCM
Fig 3-8
RCA Audio Cable
TV REAR
R AUDIO OUT L
AUD
I
O IN
Optical Audio Cable
Digital Audio Out
(Optical)
Fig 3-5
O
PTICAL
OPTICAL
CAP
Remove the protective plastic caps
from both ends of the optical digital
audio cable.
Fig 3-4
Step 1. Hook up SIMOLIO to the Optical Audio Out Port of the TV/other
Audio Device
SM-621D
SM-621D
08
09
• If you cannot get to the back of your TV and you only watch the programs
through a fixed TV box (cable/satellite box/DVD etc.), you can also use these
instructions to install the system to your TV box.
• Be aware that the base should be placed at least 4 feet away from your Router/
smart WiFi TV/TV sticks/WiFi TV box to avoid interference.
transmitter to your television, satellite, or cable box using an optical digital
audio cable.
PS: for certain smart Samsung models, the TV is retaining separate settings for
regular TV and internet TV setup. When you turn to the Smart Hub for Internet
source, please use the TV remote to go to Settings > Sound > Expert Settings >
Audio Format or Digital Output Audio Format, then select PCM.