Changing From Conventional To Opensky; 14.2 Required Test Equipment; Table 14-1: Required Test Equipment - Harris M7300 Installation And Product Safety Manual

4. Confirm the selection by pressing the MENU button, then toggling the Ramp Control once (to
select Y for Yes), followed by pressing the MENU button again. The radio will enter the selected
mode as indicated by the display.
5. Select a conventional channel for test transmissions using either the / Ramp Control or the
System/Group/Channel Selection Control (required control per programming).
14.1.2

Changing from Conventional to OpenSky

1. If necessary, apply power to the radio and turn it on.
2. Use the control head's / Ramp Control to scroll through the menu until an OpenSky system's
name is displayed.
3. After a few seconds, the radio will automatically transition to OTP mode for operations on the
selected OpenSky system.
4. If the radio is not programmed for auto-login, login to the OpenSky system. For login instructions,
refer to the Operator's Manual (publication MM-014716-001) or the respective Quick Guide
(publication MM-014368-001) as necessary. The Quick Guide is included with the radio when it
ships from the factory.
5. Select a talk group for test transmissions using either the / Ramp Control or the System/-
Group/Channel Selection Control (required control per programming).

14.2 REQUIRED TEST EQUIPMENT

TEST EQUIPMENT
Average-Responding
Wattmeter
(for conv. measurements)
or
Peak-Reading
Wattmeter
(for OpenSky measurements)
Wattmeter
Slug
RF Coaxial
Jumper Cable
N-to-TNC
RF Adapter
50-Ohm RF Terminator
("Dummy Load")
Vehicle-Mounted
Antenna

Table 14-1: Required Test Equipment

MODEL / PART NUMBER & DESCRIPTION
Bird Electronic Corp. Model 43 (or equivalent) with Type N female
connectors at input and output ports.
Bird Electronic Corp. Model 4314B (or equivalent) with Type N female
connectors at input and output ports.
For a VHF Radio: Bird Electronic Corp. Element 50C or 100C (50 or 100-Watt
max. respectively), 100 - 250 MHz frequency range (or equivalent).
For a 700 & 800 MHz Radio: Bird Electronic Corp. Element 50E (50-Watt
max.), 400 - 1000 MHz frequency range (or equivalent).
Pasternack Enterprises PE3661-36 (or equivalent) 50-Ohm Coaxial Cable
with TNC male connector and Type N male connector, approximately three
(3) feet in length. The utilized cable must have VSWR below 1.5:1 within
the RF passband.
Pasternack Enterprises PE9090 (or equivalent) Type N male to TNC female
adapter. Required to connect the cable of the vehicle-mounted
700/800 MHz antenna to the wattmeter.
Pasternack Enterprises PE6106 (or equivalent) 50-ohm RF terminator rated
at greater than 50 watts power, with Type N male connector.
Tests are performed with the vehicle-mounted antenna per the installation
described in Section 6 of this manual.
MM-014763-001, Rev. E
75