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參數(shù)資料
| 型號(hào)： | OPC-457 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | VHF MARINE TRANSCEIVER |
| 中文描述： | 甚高頻海洋收發(fā)器 |
| 文件頁數(shù)： | 14/36頁 |
| 文件大小： | 545K |
| 代理商： | OPC-457 |
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3
BASIC OPERATION
10
I
Scan function
The transceiver has a high speed scan function for standing
by on utility signals. The scan speed is 8 channels/sec. (ex-
cept when the weather alert function is in use).
Two scan types are available:
normal scan
(scans all tag
channels in sequence) and
priority scan
(checks channel 16
while scanning). These scans can be selected in set mode
(p. 19).
D
Setting tag channels
You can specify channels as tag channels for ef
fi
cient scan-
ning. Tag channels can be set for each channel group (USA,
CAN, INT) independently.
Select the desired channel, then push and hold
[
SCAN
TAG] for 1 sec. to toggle the tag setting.
Clearing all tag channels:
While pushing [HI/LO], push and hold [
SCAN
TAG] for 3 sec.
until the long beep becomes 2 short beeps.
All tag channels in the selected channel group are released.
USA
TAG
Appears when the channel is
specified as a tag channel.
D
Scan operation
Select the desired channel group (USA, CAN, INT) or WX
channels with [
CH/WX
U/I/C].
When the weather alert function is in use, select the desired WX
channel in the display, then perform the above operation.
Push [SCAN] to start scanning.
“
SCAN
”
appears and
fl
ashes in the function display.
“
16
”
appears during priority scan.
To stop the scan, push [SCAN] again.
“
SCAN
”
disappears.
Scan resume timer:
When a signal is detected, scan pauses until the signal dis-
appears or resumes after pausing 5 sec., according to the set
mode setting. (p. 19)
Confirming tag channels:
While operating scan, rotate [DIAL].
Only tag channels are selected.
Stop rotating [DIAL] to resume scan.
Weather alert function:
When the function is turned ON (p. 19), the selected weather
channel is checked during scan. Refer to p. 7 for a descrip-
tion of weather alert.
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