Patriot SST-144D, Owner'S Manual

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To activate 2-tone paging - simultaneously press both of
the volume buttons and hold briefly before releasing.
When 2-tone paging is turned on, the handheld sounds a
"triple beep". You will only hear broadcasts that first
send your two unique paging tone.
Note: It is possible that the beginning of a call might be
missed while the radio is in battery saver mode. If this
happens, ask the caller to repeat the message.
OPERATION
the channel prior to transmitting.
To transmit - hold down the Push-To-Talk button and
with the radio four inches away talk into the
microphone. Speak in a normal tone, since talking
louder will not improve the listener’s reception.
Keep talk times as short and infrequent as possible to
conserve battery, minimize radio frequency exposure,
and allow others to use the channel.
RADIO ALERT TONES
The handheld responds to certain instructions by
sounding a beep or series of tones. These tones can
tell you that the radio is working as you expect.
Power On/Self Check “OK”
When it is first turned on, the radio runs a quick
“self test” to confirm basic functions. When
complete the radio will emit the channel beep and
the Channel Display will show the operating
channel. The radio is then ready to use.
Channel Scan Tone
When the Scan channel is selected by pressing the
Channel button, the radio will emit the Scan beep
and begin scanning.
Squelch Mode Tones
When you press and hold both Volume buttons at
the same time, a single beep will sound to indicate
that tone squelch is on. A “double beep” means that
carrier squelch is on. If the channel is programmed
for 2-tone paging, a "triple beep" indicate that the
pager has been reset.
Transmitter Time Out Tone
A low tone followed by a higher-pitched tone
sounds and the transmitter automatically shuts off if
you hold down the PTT button longer than 60 sec-
onds. The radio automatically switches to receive
mode.
Recharge Battery Alert Tone
As the battery voltage approaches the minimum
required “operating voltage” the radio will emit a
series of low battery tones to alert the user that the
battery will soon need recharging. Once the battery
charge drops below the required “operating
voltage,” the radio emits a long, low tone and turns
itself off. If you turn the radio back on, it will beep
again and shut itself off. Recharge the battery.
Error Tones
If the “self test” detects a diagnostic error, an error
tone sounds. The error tone indicates the radio
frequency synthesizer is malfunctioning. Turn off
the radio and try again.The error tone will also
sound if a channel has been programmed for an
invalid frequency. A long, low-pitched tone means
the battery voltage is too low to operate the radio.
In this case, recharge the battery. If you cannot
correct a problem, consult an authorized Ritron
service facility or Ritron.
FIG-3: TRANSMIT/BUSY LAMP
A Transmit / Busy
Lamp in the upper left
corner of the
Channel Display is lit
whenever the
transmitter is
activated and blinks
when the channel is
busy.
CH
ON
OFF/HOLD
VOLUME
FIG-2: SETTING SQUELCH MODE
To change squelch mode simultaneously press both
of the volume buttons.
MAKING CALLS (TRANSMIT)
Normally, you should not transmit until no one is talking
on the channel. This can be determined by monitoring