Hm-162/Hm-157 Installation - Icom IC-M504 Instruction Manual

r Return the cables and screws to the original position.
• Be sure not upside down the flat cable.
CAUTION:
• When re-assembling the case and tightening the
screws, you must keep the specified torque (0.5±0.07
N.m). Otherwise the transceiver may be damaged
(torque too high) or lose waterproof efficiency (torque
too low).
• When uninstalling the optional unit, remove it vertically.
Wiggling the unit from side to side may damage the op-
tional unit's connector.
CONNECTIONS AND MAINTENANCE

■ HM-162/HM-157 installation

HM-162
The optional HM-157 can be connected to the transceiver di-
rectly, as well as via the supplied connection cable for longer
distance remote operation. The connector of the connection
cable can be installed into a cabinet, wall, etc., as a built-in plug.
• The optional HM-162 should be installed to the transceiver using
the supplied connection cable.
For longer distance remote operation, the optional extension
cable, OPC-1541/OPC-999* (6 m; 20 ft/connecting between
transceiver and the connection cable), is available, and up to
two OPC-1541/OPC-999* can be added.
* OPC-1541 : For the HM-162
OPC-999 : For the HM-157
Do not connect the HM-162 to the OPC-999, and the HM-
157 to the OPC-1541.
9
9
HM-157
63