Unicont DTS-100 User Manual page 16

3.8.4. P.A. relay contacts control
- Enter the programming mode sec 3.8.2
- Enter 168, CO1 loop button
- Press on 3 (choosing relay no. 1)
- Press on HOLD/SAVE
Verification: Pick up the phone, ring 545 and speak. At this moment,
the system transmits the signal to P.A. output and makes the contact
of relay on.
3.8.5. Reset all settings
On the mainboard of system:
- SW2 jumper – OF (battery off)
- Jumpers group SW1 – all in ON position, including 4.
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UNICONT DTS-100