5
Assistive Listening System
MV-ALS-Series
Turn-On
1. Press and hold power button for 1 second till logo “Media Vision” shows up.
2. Logo “Media Vision” shows up for 2 seconds, and then OLED becomes dim.
3. The screen shows default (CH E)/previously used channel or custom label,
symbols of battery , lock , and signal strength .
Turn-0ff
1. Press and hold power button for 2 seconds and logo “Media Vision” shows up for 2 seconds.
2. Then, “OFF” shows up for 1 second.
3. The player turns off.
Channel Change
1. Press + or – to change the channel when the device is in unlock mode.
2. In unlock mode, channel will flash and be ready for change.
3. Two band types, wideband only (17 channels) or both wide and narrowband (57 channels), are available
for the player. Default type is “wideband” channel A~T).
• Wideband: A~T
• Wideband and narrow band: A~T & 1~40
4. To scroll channels rapidly, keep pr or – to change the channel.
5. Once selected channel is confirmed, press SET button (o) to confirm the channel. If not, the OLED will
show previously used
channel after being idle for 10 seconds.
Channel Lock
1. The player will automatically be locked immediately when it’s turned on.
2. When the channel is changed and SET button is press to confirm the change (or idled for 10 seconds
without pressing any button), the player will automatically enter lock mode and symbol shows up.
3. To release the player from lock mode, press both + and – at the same time for 1 second until
symbol disappears.
Quick Reference: Portable Receiver
(MV-ALS-PRFM)
