TS22 Series Test Sets 7
Note: When the speaker is ON,
the polarity LEDs go out. They
will turn back on when the
speaker timer elapses or is turned
off via the speaker button.
When the speaker is on, the transmitter and receiver are automatically switched
OFF to prevent acoustic feedback.
With no signal present, the speaker will automatically turn off after 5 minutes to
conserve battery power. Any signal greater than a nominal –30 dBm will reset
the timer and keep the speaker turned on.
Speakerphone and Speaker (TS22A)
The TS22A Speakerphone feature allows you to listen and talk back; in
other words, to carry on a conversation handsfree. This feature helps free
the user's hands to do other work related activities nearby. The handsfree
capability of the Speakerphone provides for increased safety when working
on CO ladders or in other congested areas where restriction of line cords
may cause a hazard.
The Speakerphone speaker is located near the TS22A Test Set receiver
end. The Speakerphone microphone is located at the transmitter end of the
TS22A Test Set below the belt clip. The speaker button, located below the
receiver, controls the volume levels of both the Speakerphone and the
speaker. The Speakerphone mode and the speaker mode have three
volume levels (low, medium, and high) and OFF.
The Speakerphone mode can only be used with the TS22A
TALK/MONITOR switch in Talk mode; with the Speakerphone on,
depressing the mute button turns the Speakerphone microphone off for
privacy. The speaker may be turned on in the MONITOR mode just like the
TS22 and TS22DS. A call may be initiated with the Speakerphone on or off
by moving the TALK/ MONITOR switch to the TALK (off-hook) position.
When making a call in Speakerphone mode, the number keys being dialed
can be heard from the speaker. This feature gives an audible feedback to
the user and assures that each number is being dialed out.
The TS22A Test Set mutes the regular transmitter and receiver to prevent
acoustic feedback from the speaker during Speakerphone mode and
speaker mode. The polarity LEDs turn off when the TS22A unit is switched
from Talk mode to either the Speakerphone mode or the Speaker mode.
To prolong battery life, the TS22A will automatically shut off the
Speakerphone or speaker after approximately five minutes when there has
been no signal greater than –30 dBm. Because of the automatic shut off
feature, this function will have to be reactivated every 5 minutes if no signal
greater than –30 dBm is detected.