background image

 

 

 

19541P-43 (03-12)

 

8 of 9

 

 

 

C

C

a

a

r

r

e

e

 

 

a

a

n

n

d

d

 

 

M

M

a

a

i

i

n

n

t

t

e

e

n

n

a

a

n

n

c

c

e

e

 

 

 

The U9922-G38 is not user serviceable.  Do not attempt to open the enclosure (unless adjusting 

the radio level per the procedures noted in this manual.)  If this product requires service, please 

contact the David Clark Customer Service department: 

 

Phone:

  

800.298.6235 

 

E-Mail:

 

[email protected]

 

 

By Mail:

 

Customer Service 

David Clark Company 
360 Franklin Street 
Worcester, MA 01604 
 

If necessary, the U9922-G38 may be wiped down with a mild soap and water mixture.  Although 
it is a sealed device designed to withstand submersion in water to 1 meter, do not unnecessarily 
submerse this product in water.   
Avoid storage of this product in direct sunlight or high temperature environments. 

 

 

S

S

p

p

e

e

c

c

i

i

f

f

i

i

c

c

a

a

t

t

i

i

o

o

n

n

s

s

 

 

 

 

Frequency Range 

1920 MHz - 1930 MHz (U.S. and Canada) 

Average RF Power Output 

  4 mW (100mW peak)  (U.S. and Canada) 

Range 

300 ft (100m) line-of-sight (nominal) 

Operating Temperature 

-14°F to 113°F  (-10°C to +45°C) 

Storage Temperature 

 -4°F to 140°F  (-20°C to +60°C) 

Power Requirements 

8 to 32 VDC 

 

F

F

C

C

C

C

 

 

P

P

a

a

r

r

t

t

 

 

1

1

5

5

 

 

S

S

t

t

a

a

t

t

e

e

m

m

e

e

n

n

t

t

 

 

 

RADIO AND TELEVISION INTERFERENCE 

 
This equipment has been tested and found to comply with the limits for a Class B digital device, 
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection 
against harmful interference in a residential installation.  This equipment generates, uses and can 
radiate radio frequency energy and, if not installed and used in accordance with the instructions, 
may cause harmful interference to radio communications.  However, there is no guarantee that 
interference will not occur in a particular installation.  If this equipment does cause harmful 
interference to radio or television reception, which can be determined by turning the equipment 
off and on, the user is encouraged to try to correct the interference by one or more of the 
following measures: 
 

Summary of Contents for 3800

Page 1: ...19541P 43 03 12 2012 DAVID CLARK COMPANY INCORPORATED USER MANUAL 3800 Gateway U9922 G38 P N 40995G 01 ...

Page 2: ......

Page 3: ...g damage If damage is apparent immediately file a claim with the carrier and notify your David Clark product supplier ELECTRICAL HAZARD Disconnect electrical power when making any internal adjustments or repairs All repairs should be performed by a representative or authorized agent of the David Clark Company STATIC HAZARD Static electricity can damage components Therefore be sure to ground yourse...

Page 4: ...ions becomes part of a wireless intercom system The U9922 G38 provides communication for up to four users as well as an interface to an existing David Clark Model 3800 wired intercom system Additionally the U9922 G38 can be used as a stand alone wireless intercom gateway with two way radio interface Up to four belt stations can be connected to one gateway Radio Input Status LED VOLUME LINK Antenna...

Page 5: ... this configuration Antenna The U9922 G38 has two external antenna connections and is supplied with one whip style antenna In most applications a single whip antenna is sufficient However the optional remote antenna kit P N 40688G 93 for mag mount 40688G 96 for permanent install is available should more range be desired In this case we recommend keeping one whip antenna connected directly to the U...

Page 6: ...tion 5 Upon successfully establishing connection the LED on the gateway will flash a green pattern corresponding to the number of belt stations connected Tip Once linked the devices will not need to be linked again unless they are purged see Purging Each belt station is able to be linked to only one gateway at a time A gateway can have up to six belt stations linked and be connected to four of tho...

Page 7: ...com Level Adjustment Audio levels can vary between intercoms mainly due to the system level setting on the wired intercom To compensate for this the U9922 G38 has the ability to adjust its receive level from the intercom using the Volume knob see Figure 1 Turning this knob will increase or decrease the audio level coming from the wired intercom into the gateway Perform this adjustment to obtain op...

Page 8: ... on the wireless intercom a Clockwise to increase level counter clockwise to decrease Range The range of a belt station and a gateway can be up to 300ft 100m If you are in an environment with metal or concrete walls this range could be reduced If the belt station enters into a fringe reception area a brief sequence of three beeps will be heard in the headset This is to serve as a warning of a poss...

Page 9: ...s the number of belt stations to be kept linked 4 Press and hold LINK button on the gateway for 30 seconds until LED quickly flashes red 5 Release LINK button T Tr ro ou ub bl le es sh ho oo ot ti in ng g Table 2 Troubleshooting Problem Solution Gateway will not turn on Review Installation procedure Ensure wiring is correct Cannot link a belt station Review Linking procedure Ensure units are withi...

Page 10: ...put 4 mW 100mW peak U S and Canada Range 300 ft 100m line of sight nominal Operating Temperature 14 F to 113 F 10 C to 45 C Storage Temperature 4 F to 140 F 20 C to 60 C Power Requirements 8 to 32 VDC F FC CC C P Pa ar rt t 1 15 5 S St ta at te em me en nt t RADIO AND TELEVISION INTERFERENCE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to...

Page 11: ...anada licence exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device U Un na au ut th ho or ri iz ze ed d C Ch ha an ng ge es s Changes or modifications not expressly approved by David Clark Company Inc could void the us...

Reviews: