Hook switch
Monitor line before pressing TALK. Press TALK to go off-hook. To go on hook, press TALK
again or MONITOR.
High impedance monitor
Press this to turn Monitor on and off. Monitor will stay on while connected to line and will
time-out one minute after disconnection.
MUTE (Tx CUT -OFF)
Press this button to cut-off transmission for privacy or to eliminate sidetone in noisy
areas. Press again to talk.
Loudspeaker facility
Press SPKR to switch on. Press again to switch off. If SPKR is pressed in idle mode, then
the unit will switch automatically to loudspeaker Monitor mode. Press VOL to boost level,
press again to reduce. In Talk mode 2-way hands-free speech is selected when the loud-
speaker is on. This provides the user with maximum freedom while using the telephone.
Pressing MUTE will disable transmission, this can be useful when using the UTS in a noisy
environment, for certain tests and when you require loudspeaker listening.
Remember:
Press MUTE again when you wish to speak. The loudspeaker will switch
off automatically after about one minute if the UTS is not connected to a
powered line, to conserve the battery
Changing the battery or line-cord
2
1
3
Batt low
PULSE
LNR/PAUSE
FLASH
MEM
STO
POL
SPKR
VOL
9V Alkaline
A
A
B
Figure 3
Program a memory
Go off-hook, press STO, enter the telephone number then press MEM, choose and press
location (1-9 or 0).
Memory dialling
Press MEM then the chosen location (1-9 or 0).
Last number redial
Press LNR/PAUSE (first action).
Flash
Press FLASH.
Dialling pauses
Insert 4 second delays in dialling string by keying LNR/PAUSE after any digit. Dialling
pauses will be repeated by LNR and can be stored in memory.
Using hands-free effectively
UTS-3 does not clip the beginning of words, it switches silently and it adapts to the ambi-
ent noise level - so there is no need for adjustment. For best results stay close to the
microphone (at the bottom of the keypad) and use volume boost only if the level is too
low. Use UTS-3 with the mike and loudspeaker facing you.
Note: Continuous sounds from the line will be silenced after a short period so when
dialling, dial tone may be heard only briefly.
Polarity test/ground-start operation
To test polarity, connect to the line to be tested. Press the polarity, POL, button and
observe the LED’s (see figure 1).
Red
LED = Red line cord connection to Tip (+ve)
Green LED = Red line cord connection to Ring (-ve)
For ground start operation you must first conduct a polarity test to identify the tip wire of
the UTS line-cord, connect to line then connect a temporary wire from the Tip to ground.
Press TALK and listen for dial-tone. When dial-tone is heard, disconnect the ground wire.
Dial as normal.
MONITOR
TALK
MUTE
A. Screw
B. Remove cover
as shown
Figure 2
Figure 4
Polarity LED
MODE LED
Red = Talk
Green = Monitor
This LED flashes when the battery needs replacing
