3.7B RADIO SET RT-1518C/ARC-164 HAVEQUICK II
(HQ II) RADIO
The RT1518C/ARC164 HQ II radio provides a Liquid
Crystal Display (LCD) (Green Lt) for channel, frequency
indicators, and operator prompts; a zeroize switch fea-
ture; and an electronic Fill Port data loading capability.
3.7B.1 Antenna. The UHF-AM antenna (fig 3-1) is lo-
cated on the bottom center fuselage area and is mounted
directly aft of the doppler fairing.
3.7B.2 Controls and Functions.
Controls for the
RT1518C/ARC-164 are on the front panel of the unit (fig
3-7). The function of each control is described in table 3-6.
The AN/ARC164 radio must be placed in
the VERIFY/OPERATE mode before oper-
ating in the Have Quick mode. This will
prevent the radio from locking up and
damaging the equipment.
3.7B.3 Modes of Operation.
a. Power Up. All segments of both displays light up
momentarily on power up and a series of beeps may be
heard. If the frequency/status indicator displays a fre-
quency after power up, the radio is in the VERIFY/OPER-
ATE mode. Proceed to step 5. If MLOAD, FMT.CHG or
ERASE is displayed, proceed as follows:
1. CHAN switch Set to channel 20.
2. Frequency switches Set to 220.000 on the
3. Function Selector switch PRESET.
4. Lift access cover and press LOAD button. The
radio is now in the VERIFY/OPERATE mode.
5. Function Selector switch MNL or PRESET.
6. Select desired frequency or channel.
7. Mode Selector switch OFF.
b. Normal Operation. The radio set has the follow-
ing modes of operation:
(1) MAIN mode:
Two-way voice communication.
(2) BOTH mode:
Allows using the main transceiv-
er with constant monitoring of the guard receiv-
(3) GUARD (GRD) mode:
and reception on guard frequency.
(4) Manual (MNL) Mode:
Single frequency used.
Receiver-Transmitter Radio, RT-1518C/ARC-164