COMET CO.,LTD.
4-18-2, Tsuji, Minami-ku, Saitama-shi, Saitama-Pref, 336-0026, JAPAN
TEL : 81-48-839-3131 / FAX : 81-48-839-3136
URL : http://www.comet-ant.co.jp/english
【
Maintenance
】
Check SWR before using to confirm if the antenna works normally.
Check if screws, bolts and nuts are tightened securely, and if not, retighten them.
Be sure to change the parts, deformed by long-term use or low in intensity.
!
Knurling Vis
for temporary use
【
How to Adjust
】
1. Make sure to choose the right terminal, according to
the right fig.
2. Slide the Tuning Bracket to the designated terminal.
3. Adjust the length of the element to the designated
length, shown in the right fig.
4. Measure SWR at operational freq. Cut the element in
case tuning freq is lower.
5. Extend the element in case tuning freq is higher.
*Freq band could be narrower depending on the
distance with a human body.
**Tuning Bracket should be fixed at Terminal 0 when
used at 3.5/3.8MHz.
Term. 8
Use with 14MHz
for 50MHz
Standard Length
L
3.8 MHz :
7 MHz:
10 MHz:
21 MHz:
24 MHz:
28.5 MHz:
51 MHz:
1365 mm
905 mm
900 mm
945 mm
1020 mm
950 mm
1128 mm
1050 mm
14MHz:
Term. 7
Term. 6
Term. 5
Term. 3
for 28MHz
for 24MHz
for 21MHz
for 14MHz
It the position
changes to the
top and bottom.
St
an
da
rd
L
en
gt
h
L
3.5 MHz :
18 MHz: 1030 mm
1185 mm
Term. 4 for 18MHz
Term. 2 for 10MHz
Term. 1
for 7MHz
Precautions for using
This antenna is only for ham radio. Do not use this for other purposes.
Operation outside the specification might damage the antenna.
Adjust the antenna correctly. Elevated SWR could damage the antenna.
Never attempt to modify or fix the antenna by yourself.
Do not touch the antenna while transmitting.
【
How to use
】
1. Make sure all the screws are securely tightened.
2. Mount the antenna to the base etc.
3. Keep the antenna as vertically as you can for better
transmitting.
4. Measure SWR before using.
Copyright (C) 2010 COMET CO.,LTD. All Rights Reserved.
Specifications or appearance is subject to change without notice.
*Each freq band shall be clearly marked on the element.
