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4-step installation guide
The DHM-2056 can be programmed on the field using the following simple 3 steps*:
Step No 1
Power up the DHM-2056 by adding the external power supply (12VDC/1A) (#5).
The DHM-2056 will need 20-30secs to initialize itself.
The SSD (Seven Segment Display – #2) depicts the initialization status.
Step No 2
On power-up the DHM-2056 enters in
pressing the "Channel/Profile" button (#1) the user is able to switch between "Channel" or
"Profile" mode. With the "Up/Down" buttons (#3) select the desired RF output channel
between VHF E05...E12 and UHF C21...C69. Wait 10secs for the PLL to lock.
Step No 3
Adjust the output RF level using the output 20dB attenuator (#6) from 70dBμV to 90dBμV.
Step No 4
"Profile
Select the
mode" and the Profile number beginning from No 1 and keep ascending
for each modulator in the same CATV installation.
For example:
Profile No 1
for the first modulator
Profile No2
for the second modulator
...
Profile No10
for the 10
*The DHM-2056 offers advanced programming features from a PC software via a USB interface.
DHM-2056 "DUAL"
Quick start guide
"Chanel
th
modulator etc...
mode" and the "Channel LED" (#4) is on. By
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Table of Contents
Summary of Contents for QM DHM-2056
- Page 1 DHM-2056 “DUAL” Quick start guide 4-step installation guide The DHM-2056 can be programmed on the field using the following simple 3 steps*: Step No 1 Power up the DHM-2056 by adding the external power supply (12VDC/1A) (#5). The DHM-2056 will need 20-30secs to initialize itself.
- Page 2 You can download DHM-2056’s full manual and software for advanced programming from product’s page at www.kovanis.com/QM After 1min the DHM-2056’s keypad will be locked. To unlock, keep the “Up/Down” buttons (#3) pressed simultaneously for 5sec. approximately. This product complies with the relevant clauses of the European Directive 2002/96/EC.
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