UDACT Instruction Manual — P/N 50050:M 12/18/2009 55
Lamp Test Mode Operating Instructions
A handset may be temporarily connected across transformer T1 as indicated below. The handset,
when connected across T1, may be used only as an amplifier/speaker or telephone with the
UDACT used for number dialing.
Figure 4.3 Handset/Speaker Connection
4.4 Lamp Test Mode
This will test all system LEDs. The LEDs will remain lit for five seconds, then the UDACT will
return to Normal Mode.
UDACT-08.cdr
Transformer
T1
NOTE: To perform a Lamp Test, press MODE, then 5267, then ENTER/STORE. 5267 spells LAMP
on a Touch-Tone® phone.