Uniden UM525 English Owners Manual - Page 19

Basic Operation - transmit only not receive

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Basic Operation BTuarsnicinOgpethraetiRonadio On and Off Press PWR to turn on the radio. The radio sounds a tone and a screen similar to the following appears on the display if you have already set a user MMSI. Uniden UM525 DSC Your MMSI is 123456789. 16 Otherwise, if you have not set a user MMSI, a screen similar to the follow- ing appears on the display. See "Setting Up a User MMSI" on Page 38. Notes: Uniden UM525 Your MMSI is not set. 16 • If the radio is turned on for at least 3 seconds after you select a channel, it remembers the last channel you tuned when you turn it off. • If you hold down MENU while turning on the radio, the radio initializes the contrast control (see "Adjusting the Contrast" on Page 39). Press PWR again to turn off the radio. Selecting a Channel Rotate PUSH/SELECT to select a channel. Rotating PUSH/SELECT clockwise tunes forward through the channels, while rotating PUSH/SELECT counterclockwise tunes backward through the channels. The currently-tuned channel appears on the display. Note: If A appears next to a channel number, this indicates the channel is in the simplex mode on the ship station transmit side of an international duplex channel. Transmitting and Receiving To transmit, hold down PTT on the microphone. TX appears on the display. Release PTT to receive. TX disappears. Notes: • If the radio is set to transmit at low power, you can change it so it transmits at high power by pressing HI/LO/SCRAMBLER while transmitting. • If you transmit continuously for longer than 5 minutes, TX and the channel number blink and the radio stops transmitting. This warns you that PTT might be stuck. To resume transmitting, release PTT then press it again. • The radio cannot transmit on Channel 15 (USA). • If you hold down PTT while turning on the radio, the radio sounds an error tone and TX and the channel number blink. No key except HI/LO/SCRAMBLER works. • You cannot transmit while the radio is set to WX mode or Scan mode. If you press PTT while the radio is set to Scan mode, the radio cancels that mode but does not transmit. • The radio cannot transmit voice data on Channel 70. Only DSC data such as Distress Call can be transmitted on Channel 70. Basic Operation 19

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Basic Operation
19
Basic Operation
Turning the Radio On and Off
Press
PWR
to turn on the radio. The radio sounds a tone and a screen
similar to the following appears on the display if you have already set a
user MMSI.
Otherwise, if you have not set a user MMSI, a screen similar to the follow-
ing appears on the display. See “Setting Up a User MMSI” on Page 38.
Notes:
•
If the radio is turned on for at least 3 seconds after you select a channel, it remembers the
last channel you tuned when you turn it off.
•
If you hold down
MENU
while turning on the radio, the radio initializes the contrast control
(see “Adjusting the Contrast” on Page 39).
Press
PWR
again to turn off the radio.
Selecting a Channel
Rotate
PUSH/SELECT
to select a channel. Rotating
PUSH/SELECT
clockwise tunes
forward through the channels, while rotating
PUSH/SELECT
counterclockwise tunes
backward through the channels. The currently-tuned channel appears on the display.
Note: If
A
appears next to a channel number, this indicates the channel is in the simplex
mode on the ship station transmit side of an international duplex channel.
Transmitting and Receiving
To transmit, hold down
PTT
on the microphone.
appears on the display. Release
PTT
to
receive.
disappears.
Notes:
•
If the radio is set to transmit at low power, you can change it so it transmits at high power
by pressing
HI/LO/SCRAMBLER
while transmitting.
•
If you transmit continuously for longer than 5 minutes,
and the channel number blink
and the radio stops transmitting. This warns you that
PTT
might be stuck. To resume
transmitting, release
PTT
then press it again.
•
The radio cannot transmit on Channel 15 (USA).
•
If you hold down
PTT
while turning on the radio, the radio sounds an error tone and
and the channel number blink. No key except
HI/LO/SCRAMBLER
works.
•
You cannot transmit while the radio is set to WX mode or Scan mode. If you press
PTT
while the radio is set to Scan mode, the radio cancels that mode but does not transmit.
•
The radio cannot transmit voice data on Channel 70. Only DSC data such as Distress
Call can be transmitted on Channel 70.
Uniden
Your MMSI is
16
UM525 DSC
123456789.
Uniden
Your MMSI is
16
UM525
not set.
TX
TX
TX
TX
Basic Operation