Test Set Description
3
4
1. The headphone jack
accepts stereo
headphones that are terminated with
a standard 3.5mm plug.
2. PULSE/TONE selector switch
The PULSE mode is used when dialing out
on older electro-mechanical phone systems
using the pulse dialing format.
The TONE mode is used when dialing out
on electronic phone systems using the
DTMF format. Most systems use this format.
3. Hi Z/RING/TALK selector switch
The Hi Z (high impedance) mode
is used to monitor the line without
disturbing conversations or data
transmissions.
The RING mode connects the
electronic ringer to the phone line
allowing the ringer to activate on an
incoming call. This is often referred
to as the “on hook” mode.
The TALK mode seizes the line.
It is used to answer an incoming call
and for dialing out.
4. High/Low selector switch
The High position increases the volume.
The Low position sets the volume for
normal use.
5. Keypad:
Uses the standard 12 button
configuration for dialing and includes 3 extra
buttons for storing and recalling frequently
dialed numbers.
6. Polarity LED:
Illuminates if the red test lead
is connected to the Tip (positive) side and
the black test lead is connected to the
Ring (negative) side.
1.
3.
2.
4.
5.
6.
WARNING:
To avoid electric shock, do not touch the metal probe
tips when connecting the test leads.
1. Use the PULSE /TONE selector switch to select the proper dialing method.
Set the Hi Z/RING/TALK switch to the Hi Z.
2. Connect the alligator clips to the phone line or use the RJ11 plug to connect to
a standard phone jack. An RJ45 plug is also provided for use on systems that
use an 8 pin modular connector.
3. Listen to insure the line is not being used.
4. Move the Hi Z /RING/TALK switch to the TALK position. Listen for the dial tone.
Use the keypad to dial the number.
5. To end the call, move the Hi Z /RING /TALK switch to the to the
Hi Z or RING position.
1. Follow steps 1 and 2 above.
2. Set the Hi Z /RING/TALK to the RING position.
3. The electronic ringer will sound when it detects ringing voltage on the line.
To answer the call, set the Hi Z /RING/TALK switch to the TALK position.
4. To end the call, move the Hi Z /RING/TALK switch to the to the Hi Z or RING
position. To disable the ringer, move the Hi Z /RING/TALK switch to the to
the Hi Z position.
Operation
Dialing and Monitoring
Electronic Ringer