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MT-700
6.3 Working Channel Recall
Rather than using the
SELECT/ENT
knob or microphone keys to change channels, this
feature allows quick switching between the last working channel and the current
primary channel.
To quickly switch between the last working channel and the Primary Calling Channel:
•
Use the
SELECT/ENT
knob or microphone keys to select a working channel, such
as channel 68.
•
Press the
key momentarily. The current primary channel number
appears in the channel number display.
•
Press the
key again momentarily. The working channel number
appears in the display. Each time the key is pressed, channel selection toggles
between the primary channel and the working channel.
6.4 Transmitter Power Setting
The transmitter has two power settings, 25 watts or 1 watt, which are indicated by
HI
or
LO
appearing in the upper line of the display. The normal power setting is
HI
for
all channels where 25 watts is allowed. Use the 1 watt setting for communication
with nearby vessels (bridge-to-bridge) or facilities (drawbridges).
•
Press the
key to toggle transmitter power between 25 watts and 1 watt
output.
SPECIAL NOTE
Channels 15, 17, 75 and 76 are restricted to 1 watt maximum power and will cause the
error beep if the
HI/LO
key is pressed.
6.5 Channel Scanning
There are three channel scanning modes; Priority Scan, All Scan and Memory Scan.
In the Priority Scan mode, Channel 16 is checked for activity every 2 seconds, even if,
the scan is halted by traffic on a working channel. When scanning is halted by traffic,
the scan pauses while the channel is active. Scanning resumes, after a brief delay
when the channel is clear. If the
PTT
is pressed, in reply to a received signal, scanning
is cancelled.
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