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19541P-43 (09-12)

 

7 of 9

 

 

 

Smart Purge 
 

smart purge

 is the purge method employed for the U9922-G38, in which only unwanted links 

are removed from the gateway.  When this procedure is complete, only belt stations that are 
connected to the gateway remain linked.  All other belt station links will have been removed (see 
the belt station User Manual for the individual belt station purging procedure when remaining 
link purging may be necessary.) 
 

Smart Purge procedure 
 

1.

 

Ensure gateway is powered on and functioning. 

2.

 

Disconnect all belt stations to be purged (power off the belt stations). 

3.

 

Verify the number of green LED flashes on the gateway matches 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. 

 

 

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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 within 1 to 3ft (0.3 to 0.9m) of 
each other while linking 
Try a 

Smart Purge 

Cannot speak over two-way 
radio 

PTT not pressed 
No radio connected to U9922-G38 

 

 

 

 

 

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System cable (C38-xx; number after dash indicates length in feet) 

 

Power Cable (C99-22PW, P/N:18748G-24) 

 

Radio Interface Cable (C3821, P/N: 18747G-06) 

 

Whip Antenna (P/N: 40688G-92) 

 

Remote Antenna Kit, Mag-Mount (P/N: 40688G-93) 

 

Remote Antenna Kit, Permanent (P/N: 40688G-96) 

 

Summary of Contents for U9922-G38

Page 1: ...19541P 43 09 12 2012 DAVID CLARK COMPANY INCORPORATED USER MANUAL 3800 Gateway U9922 G38 P N 40995G 01...

Page 2: ......

Page 3: ...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...

Page 4: ...22 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...

Page 5: ...along with a C99 22MS interface cable for each U9922 G38 gateway to be used and one C98 20PW power cable In this configuration if a two way radio is used it must be connected to the radio input on eac...

Page 6: ...ion 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...

Page 7: ...om 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 leve...

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...

Page 9: ...mber 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 Tab...

Page 10: ...ut 4 mW 100mW peak U S and Canada Range 300 ft 100m line of sight nominal Operating Temperature 14 F to 131 F 10 C to 55 C Storage Temperature 4 F to 140 F 20 C to 60 C Power Requirements 8 to 32 VDC...

Page 11: ...ard 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 opera...

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