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OPERATION
Transmit
Normally, you should not transmit until no one is talking on the channel.
To transmit - hold down the Push-To-Talk button and, with the radio a couple of inches away, talk into the
microphone. Speak in a normal tone, since talking louder will not improve the listener's reception.
Channel Selection
To change channels - press and release the channel button. The radio will beep a number of times equal
to the new channel number. For example, if you select channel 2, the handheld will beep twice. If the
highest channel number is selected and you press the channel button, the radio will reset to channel 1. A
one-channel radio will beep only once when you press the channel button.
WHAT THE RADIO TONES MEAN
The handheld responds to certain instructions by sounding a beep or series of tones. These tones can tell
you whether the radio is working as you expect.
Power On/Self Check "OK"
When the handheld is turned on, it will run a quick "self test." Once the internal system checks confirm
basic functions, the radio sounds a brief "confirmation tone." The radio is then ready to use.
Error Tones
However, if the "self test" detects a diagnostic error, an error tone sounds. Alternating tones (the second
is longer and lower pitched) indicate the radio frequency synthesizer is malfunctioning. Turn off the radio
and try again. 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.
Channel Select
When the channel button is pressed, the radio beeps a number of times equal to the channel number
selected.
Tone Squelch
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.
Recharge Battery Alert
As the battery voltage approaches the minimum required "operating voltage" the radio will emit a short
beep every minute 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.
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