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3.2 Functions and instructions
HCS-3938C chairman unit
HCS-3938CF chairman unit (fixed gooseneck)
HCS-3938D delegate unit
HCS-3938DF delegate unit (fixed gooseneck)
Left side
Back side
Figure 3.1 HCS-3938 series discussion unit
Figure 3.1:
1. Priority key (for the chairman unit only):
According to the priority mode configuration on the
main unit:
1. If configured as “
UUU
Mute All Microphones
UUU
”, all
active delegate and VIP microphones will be
muted temporarily when this key is pressed
and they will resume when the key is
released;
2. If configured as
UU
“
U
Turn Off All Microphones”
UUU
,
all active delegate microphones will be
switched off when this key is pressed. All
active VIP microphones will be muted
temporarily and will resume when the key is
released.
3. Under
"
UUU
OPEN
UUU
" and “
UUU
APPLY
UUU
” mode, pressing
this key will clear the request list (deny all
delegates’ requests to speak);
If the chairman microphone is not active, pressing
this key will activate it.
2. Microphone On/Off key (for the chairman unit)
Microphone/request key (for the delegate unit)
Chairman unit: press this key to activate the
microphone and the indicating light;
Delegate unit: press this key to activate/deactivate
the microphone or request/cancel request to speak
(refer to section 3.4 for details).
Work state
Indicating light
Microphone On
Red (on)
Speaking time limit
Red (flash)
First in request list
Green (flash or on,
according to setting)
Not first in request list
Green (on)
VIP unit
Yellow (on)
3. Next key (for the chairman unit only)
According to the order of requests, press this key
once to approve one delegate unit’s request and
turn off the active delegate microphone at the
same time;
4. Built-in loudspeaker
5. Microphone socket (for HCS-3938C/D)
Fixed gooseneck (for HCS-3938CF/DF, stem
length: 410 mm)
6. Earphone jack (Ø 3.5 mm)
7. Earphone volume adjust button
8. 0.6-metre 6P-DIN cable with standard socket
(female x 1)
9. 1.5-metre 6P-DIN cable with standard plug
(male x 1)
