Handset Operation; Handset Controls - Standard Horizon MATRIX GX3000S Owner's Manual

14 VH-310 HANDSET OPERATION
When the VH-310 HANDSET is connected to the GX3000S, most VHF, DSC,
and setup menus can be remotely operated. The VH-310 HANDSET is supplied
with 23 feet (7 m) of routing cable and can be extended up to 70 feet (21 m)
using three 23 feet extension cables model CT-100. The intercom operation can
be used between the VH-310 HANDSET or the GX3000S.
14.1 VH-310 HANDSET CONTROLS
PWR key
Press and hold down this key to turn to
the transceiver and VH-310 HANDSET
on and off.
PTT ( Push-To-Talk ) Switch
Activates transmission.
[ H/L ] key
Toggles between high and low power.
When the [ H/L ] key is pressed while
the transceiver is on channel 13 or 67,
the power will temporarily switch from
"LO" to "HI" power until the PTT is released.
The [ H/L ] key does not function on transmit
inhibited and low power only channels.
[ DISTRESS ] key
Used to send a DSC Distress Call. To send
the distress call refer to section "11.3.1. Trans-
mitting a DSC Distress Call."
RADIO CONTROL KEYS
[ VOL ] key
Activates the volume adjusting mode.
Press this key to activate the volume adjusting mode.
Press the [ ] or [ ] to adjust the volume.
When the VH-310 handset is removed from the cradle the speaker
audio will be automatically reduced so not to damage your hearing.
When the VH-310 is in the cradle the speaker audio will increase so
communications can be heard.
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GX3000S