GAI-Tronics 780-301 Page/Party Handset Station (Cenelec Zone 1) User Manual
Page 11
Pub. 42004-638L2
Model 780/7805-301 Page/Party
®
Handset Stations for Cenelec Zone 1 Applications
Page: 11 of 15
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To make these adjustments, remove the assembly from its enclosure and make a temporary connection
between the assembly and the enclosure as described in the following steps:
1. Loosen the four captive screws that secure the front panel.
2. Remove the assembly from the enclosure.
3. Connect the assembly to the enclosure using a Model 10440-002 Maintenance Cable between P1 on
the assembly and J1 on the enclosure.
4. Locate the control on the appropriate PCBA. Using a small flat-blade screwdriver with an insulated
shaft, turn a control clockwise to increase the volume or threshold; turn it counterclockwise to
decrease the volume or threshold.
5. When you are done with the adjustment:
a) Disconnect the Model 10440-002 Maintenance Cable.
b) Insert the assembly into the enclosure.
c) Tighten the four screws.