PS Engineering
PMA450C Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-450-0800
Page 3-12
July 2022
When
Unpair All
is pushed, the BT 1 is reset and
ALL
Bluetooth devices are erased and can then be added
back as desired. This is useful in some cases where the unit or operator lose track of the devices paired and
cannot get them to connect.
Cycle the PMA450C power to exit setup screen.
3.11.2 Bluetooth PIN
The PMA450C can be configured to require a Personal Identification Number (PIN) to pair, or this function
can be disabled.
As delivered from the factory, the PIN is disabled. To enable the PIN, and set the PIN to be used,
Enter the user setup mode
More
Bluetooth
PIN (Note when PIN is changed from Disabled to a value, the Bluetooth will reset, and clear all paired
devices)
To remove the PIN, press PIN again, while the cursor is on a number.
3.11.3 Bluetooth Cellular telephone sidetone
Some cell phones provide sidetone, and when combined with unit sidetone can cause audio distortion. In the
PMA450C telephone sidetone can be enabled or disabled on the Telephone menu when a call is active.
