1 vh-310 handset controls – Standard Horizon Gx5500s User Manual
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GX5500S
Page 78
14 VH-310 HANDSET OPERATION
When the VH-310 HANDSET is connected to the GX5500S, most VHF, DSC,
and setup menus can be remotely operated. The VH-310 HANDSET is supplied
with 7 m of routing cable and can be extended up to 21 m using three 7 m
extension cables model CT-100. The intercom operation can be used between
the VH-310 HANDSET or the GX5500S. In addition, speaker wires are supplied
at the panel mount of the routing cable allowing the STANDARD HORIZON MLS-
300 or MLS-310 External speakers to be connected in noisey environments
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 Alert.”
RADIO CONTROL KEYS
[VOL] key
Activates the volume adjusting mode.
Press this key to activate the volume adjusting mode.
Press the [
S] or [T] to adjust the volume.
NOTE
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.