(2) lnstall crossarm (5) as follows:
(a) Slide tripod hold-down knob (10) left or
right so that it is positioned approximately in
center of mounting hole.
(b) Remove crossarm from case #7 and place
it on tripod so that crossarm mounting collar
(11) mates with tripod holddown knob.
(c) Secure crossarm to tripod with tripod hold
down knob (10) by turning clockwise.
HOLD - DOWN KNOB
(3) Install VLF antenna (1) as follows:
(a) Remove the VLF antenna (3 sections) from
(b) Mount VLF antenna base section to
antenna chuck (12). Tighten by turning
(c) Connect top 2 sections of VLF antenna
together. Tighten by turning clockwise.
(d) Mount top 2 sections to top of base section.
Tighten by turning clockwise.
(4) Install antenna mast assembly (3) as follows:
(a) Remove antenna mast assembly from case
(b) With nylon bearing (13) end facing
downwards, install mast over crossarm
mounting tube (14).
(5) Install UHF omni antenna (2) as follows:
(a) Remove UHF omni antenna (with A6W1
cable attached) from case #7.
(b) Loosen wing nuts on U-bolt clamp so that
clamp will clear diameter of antenna mast
(c) Feed unconnected end of cable A6W1 (15)
through top, then center hole of antenna