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4.5 Master Code Switch
The master code switch is left in the off position for normal operation. Turn the master code switch on
when setting the system master code. See programming instructions to set the system master code.
If the master code switch is turned on and a new master code is not entered, the system will sound a
long tone after approximately 30 seconds. This tone will continue every 30 seconds until a new
master code is entered, or until the switch is turned off. After the switch is turned off, the display
(1802, 1803, 1810 only) will remain lit for approximately 30 seconds, and then will go off.
4.6 Ring Pin
The ring pin-shorting bar is labeled RING on the control board. This shorting pin must be installed to
allow the system to answer any calls placed to it. If remote programming or remote relay operation is
to be used, the shorting bar must be installed. Removing the shorting bar will cause the system to
never answer any call placed to it.
4.7 Handset / Hands Free
The handset shorting pins are labeled HS, and the hands free shorting pins are labeled HF on the
control board. The shorting bar is factory set and will be placed in the HF position for hands free
operation, or will be placed in the HS position for those entry systems ordered with the optional
handset. Do not place shorting bars on both the HS and HF pins at the same time.