Yaesu FT-100D User Manual

Active-Tuning Antenna System (ATAS-100) Operation
The optional ATAS-I 00 Active-Tuning Antenna System provides operation on a number
of HF bands (7114/21128 MHz) plus 50 MHz, 144 MHz, and 430 MHz. The FT -100 pro-
vides microprocessor control
of the tuning mechanism in the AT AS-I 00 for convenient
automatic tuning.
Before operation can begin, you must instruct the FT -I
OO's microprocessor that the ATAS-
100 is being used. This is done using the MENU:
<D Press and hold in the [FUNC] key for Y2 second to activate the MENU mode.
<D Rotate the SELECT knob to recalJ MENU #61 (TUNER/ATAS).
Q) The default setting for this MENU item is "Off." Rotate the MAIN DIAL to change
the setting to
"AtAS-1" if you are using the ATAS- 100 for alJ bands (you must
connect an external diplexer to combine the two antenna ports so as to use the
ATAS-
100 on alJ bands). Or make the setting "AtAS-2" if you are just using the
ATAS-IOO on 7~50 MHz, with a dual-band VHF/UHF antenna connected sepa-
rately to the 144/430 MHz antenna port.
® Press the [FUNC] key momentarily to save the new setting and exit to normal op-
eration.
AUTOMATIC TUNING
I. Press the [FUNC] key, as needed, to recalJ Operating Function Row 7 [MTR, TUN,
PRO, VOX].
2. Press the [B](TUN) key to tum the ATAS-I 00 on (this action only supplies voltage to
the antenna at this point; re-tuning does not begin). The
"TUN" icon will become Bold.
3. Now press and hold
in the [B](TUN) key for Y2 second to initiate ATAS-100
tuning. The transmitter will automatically be activated, a carrier will be sent,
and the antenna's length will be adjusted for best SWR.
.. , ......
4. If the microprocessor determines that the antenna's length is radically incor- ! .. ! !"'! !
"TUNING"
rect from the optimum value, no carrier will be sent out. Instead, in the re- ICON
ceive mode, the antenna will retract to its shortest position (this may take up to one
minute). While this
is happening, do not press the [B](TUN) key again. When the
AT AS-I 00 reaches its minimum length, automatic tuning will be initiated, and the trans-
mitter will automatically shut
off when a satisfactory SWR is achieved.
~ tuning process. SWR will be satisfactory when the antenna is fully re-
'_' ',/ On the 144 MHz and 430 MHz bands, the ATAS-IOO does not require a
/ "d - tracted.
5. When you wish to conclude ATAS-J 00 operation, press the [B](TUN) key so that the
"TUN" icon will revert to its normal (non-Bold) state.
62 FT-JOO MICRO MOBILE OPERATING MANUAL

Yaesu FT-100D Specifications

General

Product type	Portable CB radio
Product color	Black
Housing material	-
Display type	LCD
Output power	100 W
AM band range	5.2 - 18 kHz
FM band range	15 - 25 MHz
Frequency range	0.1 - 961 MHz
Channels quantity	50 channels
Compatible products	ATAS-120\\tActive-Tuning Antenna System FC-20\\tAutomatic Antenna Tuner YSK-100\\tSeparation Kit XF-117CN\\t300Hz CW Filter MH-36B6JS\\tDTMF Microphone FTS-27\\tCTCSS Tone Decoder Unit
Microphone included	Yes
Input voltage	13.8 V

Weight and Dimensions

Depth	205 mm
Width	160 mm
Height	54 mm