Transcript
WARRANTY AND SPECIFICATIONS
Operating Temperature: Dimensions: Weight:
GENERAL DC Power Input:
Output Level: Output Impedance:
AUDIO
Output Level: Video Response: Output Impedance: Differential Gain: Differential Phase: C/L Delay:
VIDEO
SPECIFICATIONS RF Input Frequency: Input Level: Input Impedance:
+12 VDC @ 140 mA + 5 VDC @ 150 mA 0° C to +50° C 1.15 x 3.5 x 7.5 in 13.5 oz
1 Vpp Adj. Unbala nced 600 Ohms Unbalanced
1 Vpp Adj. +/- 2 dB 75 Ohms 5% Typical 5 Deg Typical -40ns Typical
54 - 806 MHz -5 to +30 dBmV 75 Ohms
This warranty gives you specific legal rights and you may also have other rights which vary from state to state. This warranty shall be construed under the laws of Ohio.
The foregoing constitutes R.L. DRAKE HOLDINGS LLC'S entire obligation with respect to this product, and the original purchaser shall have no other remedy and no claim for incidental or consequential damages, losses or expenses. Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusions or limitation of incidental or consequential damages, so the above limitation and exclusion may not apply to you.
All implied warranties, if any, including warranties of merchantability and fitness for a particular purpose, terminate three (3) years from the date of the original purchase.
Correct maintenance, repair, and use are important to obtain proper performance from this product. Therefore carefully read the Instruction Manual. This warranty does not apply to any defect that R.L. DRAKE HOLDINGS LLC determines is due to: 1. Improper maintenance or repair, including the installation of parts or accessories that do not conform to the quality and specifications of the original parts. 2. Misuse, abuse, neglect or improper installation. 3. Accidental or intentional damage.
To obtain such a warranty service, the original purchaser must: 1. Retain invoice or original proof of purchase to establish the start of the warranty period. 2. Notify R.L. DRAKE HOLDINGS LLC or the nearest authorized service facility, as soon as possible after discovery of a possible defect, of: a) the model and serial number, b) the identity of the seller and the approximate date of purchas e; and c) A detailed description of the problem, including details on the electrical connection to associated equipment and the list of such equipment. 3. Deliver the product to R.L. DRAKE HOLDINGS LLC or the nearest authorized service facility, or ship the same in its original container or equivalent, fully insured and shipping charges prepaid.
R.L. DRAKE HOLDINGS LLC warrants to the original purchaser this product shall be free fro m defects in material or workmanship for three (3) years from the date of original purchase. During the warranty period R.L. DRAKE HOLDINGS LLC or an authorized Drake service facility will provide, free of charge, both parts and labor necessary to correct defects in material and workmanship. At its option, R.L. DRAKE HOLDINGS LLC may replace a defective unit.
THREE YEAR LIMITED WARRANTY
4
RF
#
OR
CH RF
A /V
PWR
VIDEO
A U DIO
V MM 600
# CH
# CH
# CH RF
A /V
PWR
VIDEO
A U DIO
V MM 600
# CH RF
A /V
PWR
VIDEO
A U DIO
V MM 600
# CH RF
A /V
PWR
VIDEO
A U DIO
V MM 600
# CH RF
A /V
PWR
VIDEO
A U DIO
CH
V MM 600
# CH RF
A /V
PWR
VIDEO
A U DIO
V MM 600
# CH RF
A /V
PWR
VIDEO
A U DIO
V MM 600
© C opyright 2013 R .L. Drake Holdings LLC P rinted in China.
Rev:120924
P/N: 6512297 00A 1002324A
® is a registered trade mark of the R .L. Drake Holdings LLC
The desired off-air VHF or UHF television channel from 2 through 69 or C ATV channel from 2 through 125 is s elected by the front panel chann el up/down buttons. T he DMM 806 provides a standard negative sync video output at a nominal level of 1 V pp (Adj) and an audio output s ignal that is level adjustable from approximately 0.5 to 1.5 Vpp with a front panel control.
DMM 806 DE MODU LATOR
P OW E R 2
P OW E R 1
P S M 120 P OW E R S U P P LY
DRAKE MINI-R AC K P OWER SUPP LY
1
As previously desc ribed, channel selection and audio/video output level controls are located on the front panel. T he R F Input is through an “F ” type connector located on the rear panel. T he rear panel V ideo Output is als o an “F ” type connector. T he Audio Outpu is through a rear panel R C A type phono connector. T he unit is powered by a compatible Drake Mini-rack power supply module.
DRAKE MINI-R AC K S ING LE CHANNEL MODUL ATOR
RF
A /V
PWR
VIDEO
A U DIO
V MM 600
P OWER SUPP LY
RF
A /V
PWR
VIDEO
A U DIO
T he R .L. Drake DMM 806 is a profess ional quality agile television channel demodulator that provides an audio and video output from any VH F, UH F, or C AT V channel (54 - 806 MHz) . The modular design of the DMM 806 permits convenient pairing with a Drake Mini-rack V ideo Modulator to perform off-air or C ATV channel processing.
RMM4 R AC K MOUN T
# CH
A /V
A /V
RF
PWR
PWR
#
VIDEO
VIDEO
CH
A U DIO
V MM 600
A U DIO
V MM 600
V MM 600
DMM806 VIDEO DEMODULATOR (SYSTEM)
RMM12 R ACK MOUNT
®
A
L OC K
CH
P WR
+100
CH
C /ANT
S tock No. 7740C
V
8
7
4
3
2
Lock Indicator Channel Display
Indicator lights when in Standby
/ REAR PANEL DESCRIPTION
7. Channel UP - Increments channel by +1
3. Channel LE D - Displays ANT or C ATV
Channel System STD (C ATV) HRC (C ATV) IRC (C ATV) Broadcast (TV)
4
3
2
1
mode in memory preventing inadvertent change. A user must depress the lock channel button again for any channel/mode changes.
9. Lock - Depressing lock button locks present channel or
indicate channels 100 and higher.
4. ANT/CATV - R F input from antenna or C ATV drop
1. Vi deo Output - S tanda rd negative sync video at a 0.5 to 1.5 Vp-p level. 2. Audio Output - Adjustable 0.5 to 1.5 Vpp 3. Power - The polarized power connector accepts +12 VDC , +5 VDC and ground
All the connectors are located the rear panel.
Rear P anel
Press C /ANT button aga in when sele ction is completed.
Display S H I U
UP/DOWN buttons to sele ct the type of channel system required as follows:
4. C/ANT Mode B utton - Press button to enter the mode sele ction menu. Use the channel
8. +100 LE D - When depressed, R E D LE D lights to
6. Channel DOWN - Increments channel by -1
channel
5. Power - ON/OFF push button
1. Vi deo - Adjusts video output level
2. Audio - Adjusts audio output level
All operating controls are located on, or are acces sible from the front panel.
Front P anel
9
6
5
1
MIDM-806C
2 F R ONT PANEL DESCRIPTION
T V ANT E NN A OR C AT V F E E D
DMM 806
SYS T EM OUT
DRAKE MINI-R AC K VIDEO MODUL ATOR
R ACK MOUNTING Adequate ventilation is very important in multi-channel installation s. Units should be s paced apart by at least one panel height wherever possi ble, and some air movement is advisa ble in enclosed rack cabinet s. Excessi ve heat will sho rten component life and system performance will be degraded without proper cooling.
channel . Alternatively, ca ble TV channels can be process ed by connecting the 75 Ohm coaxial cable of a C AT V feed to the DMM 806 R F IN connector and s etting the front panel C/ANT mode to “S”, “H”, or “I”+ 100” and the recei ved ca ble channel number 02 through 125 as required. Additional channels can be processed by adding combinations of DMM 806 units with Drake Mini-rack Video Modulator units.
3
R .L. Drake Holding s LLC 9900 Sp ringbo ro Pi ke Miamis bu rg, Ohio 45342 C us tomer S ervic e and P arts T elephon e: +1 (937) 746-6990 Fax: +1 (937) 806-1576 www. rldrake.c om
®
Figure 3 Illustration of Channel Processing using DMM 806 and a Drake Mini-rack Video Modulator.
R F C OMB INER
DC P OWE R C AB LE
AC P OW E R C OR D
C ONNEC T IONS and C ONT R OL S All connections to and from the DMM 806 are made through the rear panel. F igure 3 illustrates the us e of the DMM 806 as an offair channel processo r. For this purpose, the feed from a televis ion antenna is connected via a 75 Ohm coaxial cable to the R F IN connector of the DMM 806 . T he front panel is set for “U” and the received TV channel number is s et for 02 through 69 as required. T he VI DEO OUT and AUDIO OUT s ignals are connected to the V IDEO IN and AUDIO IN connectors respecti vely of an adjacently located Video Modulator, su ch as a Drake Mini- rack V ideo Modulator, operating on the desired ca ble TV
INS TA L L ATI ON
