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.
The SSD (Seven Segment Display –
#2
) depicts the initialization status.
Step No 2
On power-up the DHM-2056 enters in “
Chanel mode
” and the “Channel LED” (
#4
) is on. By
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
Select the “
Profile
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
th
modulator etc…
*The DHM-2056 offers advanced programming features from a PC software via a USB interface.
