HX471S
Page 34
9. BAROMETER AND SCRAMABLER OPERATION
9.1 BAROMETRIC PRESSURE METER
The optional Barometric Pressure unit (
SU-1
) brings to the
HX471S
the
unique capability of providing readout of the current barometric pressure
and display the relative changes in the pressure (Upward (
) or Downward
(
), Count: every 1/2 hour). The
SU-1
unit requires calibration of the “off-
set” parameters, so that the pressure reading will
be correct. To do this you must have a barometer to
use as a reference as you adjust the
SU-1
to match
its reading; see section
13 “MENU (“SET”)
MODE”(BARO OFFSET)
.
To display the current barometric pressure:
1. Press the [
MENU
] key to enter the Menu Mode.
2. Press the [
p
] or [
q
] key to select the Menu item (DISPLAY MODE).
3. Press the [
MENU
] key to enable adjustment of this Menu item.
4. Press the [
p
] or [
q
] key to set this Menu item to “BARO.”
5. When you have completed your selection, press the [
MENU
] key to save
the new setting, and then press the
PTT
key to exit to normal operation.
6. To disable the barometric pressure display, select “None” in step 4 above.
9.2 VOICE SCRAMBLER UNIT
The optional
FVP-31
Voice Scrambler Unit permits
secure voice communications with stations within
your network, which prevents others from listening
using normal communication equipment.
To activate the Voice Scrambler:
1. Select the channel on which you wish to activate the Voice Scrambler.
2. Press the [
MENU
] key to enter the Menu Mode.
3. Press the [
p
] or [
q
] key to select the Menu item (SCRAMBLER).
4. Press the [
MENU
] key to enable adjustment of this Menu item.
5. Press the [
p
] or [
q
] key to set this Menu item to “ON.”
6. When you have completed your selection, press the [
MENU
] key to save
the new setting, and then press the
PTT
key to exit to normal operation.
7. To disable the Voice Scrambler, select “OFF” in step 5 above.
Note
: Voice Scrambler may not be activated on Marine Channels 16 and
70.
